Bulb
[bʌlb]
解釋/意思:
(noun.) a rounded part of a cylindrical instrument (usually at one end); 'the bulb of a syringe'.
(noun.) a rounded dilation or expansion in a canal or vessel or organ.
(noun.) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure.
(noun.) anything with a round shape resembling a teardrop.
凯瑟琳整理--From WordNet
解釋/意思:
(n.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a corm in not being solid.
(n.) A name given to some parts that resemble in shape certain bulbous roots; as, the bulb of the aorta.
(n.) An expansion or protuberance on a stem or tube, as the bulb of a thermometer, which may be of any form, as spherical, cylindrical, curved, etc.
(v. i.) To take the shape of a bulb; to swell.
校對:琳达
同義詞及近義詞:
n. [1]. (Bot.) Scaly bud (like the onion and the tulip).[2]. Spherical protuberance.
古斯塔夫校對
解釋/意思:
n. an onion-like root: any protuberance or enlargement resembling such.—v.i. to form bulbs: to bulge out or swell.—adjs. Bul′bar Bulbed Bul′bous Bulbā′ceous Bulb′iform Bulbif′erous Bul′bose Bul′by.—ns. Bul′bule a little bulb: a young bulb which grows from an old one; Bul′bus a bulb.
厄玛編輯
例句/造句/用法:
- The bulb was first heated and the stem placed in water. 李貝. 西洋科學史.
- A device for sealing together the inside part and bulb of an incandescent lamp mechanically. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- At No. 8 is illustrated the preservation of liquid air by surrounding it with a vacuum in a Dewar bulb. Edward W. Byrn. 十九世紀發明進展.
- Every time we squeeze the bulb of an atomizer, we force compressed or condensed air through the atomizer, and the condensed air pushes the liquid out of the nozzle (Fig. 51). 伯莎M.克拉克. 科學通論.
- K is the cathode plate, formed of a concave disk of aluminum, which focuses the rays at a point near the center of the bulb. Edward W. Byrn. 十九世紀發明進展.
- The upper end should be slightly raised, so as to allow the mercury to rise, but the bulb and eggs should be of the same heat, as the figures record the heat in the bulb and not in the tube. 威廉K.大衛. 智者、化學家和偉大醫生的秘密.
- With his assistant, Charles Bachelor, he put a thread of the lampblack and tar in a bulb, exhausted the air, and turned on the current. 魯伯特·薩金特·荷蘭. 歷史性發明.
- By squeezing the bulb, air is forced out of the nozzle. 伯莎M.克拉克. 科學通論.
- In 1631 Jean Rey just inverted this contrivance, filling the bulb with water. 李貝. 西洋科學史.
- After the bulb has been filled with the mercury, it is placed in a beaker of water and the water is heated by a Bunsen burner. 伯莎M.克拉克. 科學通論.
- A scratch is made on the tube to indicate the point to which the mercury rises when the bulb is placed in boiling water, and this point is marked 212°. 伯莎M.克拉克. 科學通論.
- The modern thermometer consists of a glass tube at the lower end of which is a bulb filled with mercury or colored alcohol (Fig. 8). 伯莎M.克拉克. 科學通論.
- This was invented before 1603 and consisted of a glass bulb with a long stem of the thickness of a straw . 李貝. 西洋科學史.
- Place the bulb of the thermometer even with the top of the eggs, that is, when the thermometer is lying down in the drawer. 威廉K.大衛. 智者、化學家和偉大醫生的秘密.
- The X-Ray tube, of globular or bulb shape, is shown just above the patient’s hip, and its opposite poles are connected by wires to the opposite electrodes of the generator. Edward W. Byrn. 十九世紀發明進展.
- Suppose we wish to measure the strength of the electric light bulbs in our homes, in order to see whether we are getting the specified illumination. 伯莎M.克拉克. 科學通論.
- The necks of the bulbs had been drawn out and hermetically sealed after the contents had been boiled. 李貝. 西洋科學史.
- It was found that in every trial the contents of a certain number of the bulbs always escaped alteration. 李貝. 西洋科學史.
- The flies were on the ceiling now and on the electric light bulbs that hung on wires. 歐尼斯特·海明威. 永別了,武器.
- The incandescent bulbs which illuminate our buildings consist of a fine, hairlike thread inclosed in a glass bulb from which the air has been removed. 伯莎M.克拉克. 科學通論.
- To prove his contention he set out for Arbois with a large numbe r of glass bulbs each half filled with a putrescible liquid. 李貝. 西洋科學史.
哈利整理