Rictus

[riktәs]

解释:

(noun.) a gaping grimace.

埃利斯手打--From WordNet

解释:

(n.) The gape of the mouth, as of birds; -- often resricted to the corners of the mouth.

古斯塔夫校对

解释:

n. the gape of the bill: the throat of the calyx.—adj. Ric′tal.

手打:斯坦