Layers

例句:

• The whitening is done by boiling the pins in a large copper kettle, which also contains layers of grained tin and a solution of argol or bitartrate of potash. 佚名. 神奇的知识之书.
• In the silo it should be distributed evenly and probably had better be placed in regular layers, lapping shingle fashion so that it will settle evenly. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• So I went down to Quogue with one of my assistants and saw there for miles large beds of black sand on the beach in layers from one to six inches thick--hundreds of thousands of tons. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Nor are the rocks of the world in orderly layers one above the other, convenient for men to read. 赫伯特·乔治·威尔斯. 世界史纲.
• W erner thought that the earth showed universal strata like the layers of an onion, the mountains being formed by erosion, subsidence, cavings-in. 李贝. 西洋科学史.
• Geologists say that long ages ago Germany was submerged, that the waters slowly evaporated and that the various substances in the sea water were deposited in thick layers. 伯莎M.克拉克. 科学通论.
• The sandy ground, shelving downward from where we sat, was lost mysteriously in the outward layers of the fog. 威尔基·柯林斯. 白衣女人.
• This consisted of alternate discs of copper and zinc, separated by layers of cloth steeped in an acidulated solution. Edward W. Byrn. 十九世纪发明进展.
• These metal layers conduct current to or from the active nickel hydrate in all parts of the tube very efficiently. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• A built-up gun is made of several layers of forged steel. 佚名. 神奇的知识之书.
• Three hundred such layers placed one on top of the other would make a sheet no thicker than tissue-paper. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• These little cakes were delicately packed away between layers of cotton in small, light boxes and shipped to Bergmann in New York, by whom the telephone transmitters were being made. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Second, all wood parts are built up with veneer layers; never are they constructed of solid blocks of wood. 佚名. 神奇的知识之书.
• There are about three hundred and fifty layers of each kind of material in a 4 1/8-inch tube, each layer of nickel hydrate being about 0. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Each of these plates is built up, as shown in detail in Fig. 65, of lead strips corrugated and arranged in layers alternately with flat strips, within perforated leaden cases. Edward W. Byrn. 十九世纪发明进展.
• In a wire-wound gun an inner tube of steel is thoroughly wrapped by successive layers of ribbon wire, each layer being wound with wire at a different tension. 佚名. 神奇的知识之书.
• The crate upon which I sit contains 2,000 napoleons packed between layers of lead foil. 阿瑟·柯南·道尔. 福尔摩斯历险记.
• The elements of this battery consist of alternate layers of sheet lead, and a paste of red oxide of lead. Edward W. Byrn. 十九世纪发明进展.
• A is the furnace, in which the iron ore and fuel are arranged in alternate layers. Edward W. Byrn. 十九世纪发明进展.
• So thin are the layers that this sheet is only about the thickness of a visiting-card, and yet it is composed of two hundred layers of metal. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It should be noted that the layers of flake nickel extend practically unbroken across the tube and make contact with the metal wall at both sides. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• An insulated wire runs from the metallic layers on the roof of the car to switch S, which is shown open in the sketch. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• She went to the bed upon which had been spread several layers of soft grasses. 埃德加·赖斯·巴勒斯. 人猿泰山.

校对:佩里