All at once, Mick's serious expression softened into a grin.米克严肃的表情一下子变成了笑脸。He had a grin on his face like a Cheshire Cat.他咧着嘴笑呵呵的。Bobby looked at her with a sheepish grin.博比望着她腼腆地咧嘴一笑。...
Guderian leaned forward, his eyes narrowing in that infuriating half - grin.姑德里安向前探了探身子, 恼怒地眯起眼睛, 皮笑 肉不笑.He flashed me a quick grin but rapidly swallowed it when he saw my expression.他先是冲我咧嘴一笑，不过看到我的表情后又赶紧收起笑脸。He showed ...
Epithelium can also bear cilia.上皮也可长纤毛.Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses.健康的皮肤, 粘膜和纤毛是许多病毒的天然屏障.The cilia are longer and less regular than the microvilli of a striated border...