She heard him fumble in the dark, strike a match and the room sprang into light.
她听见他在黑暗中摸索, 划一根火柴,房里便猛地亮了.
飘(部分)
For water to flow out more easily, it is necessary to use a larger pipe here.
为使水畅流, 这里需采用一根较粗的管子.
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It is a flagellum – the tail-like propeller found in single cells.
它是一根鞭子—— 状 似螺旋桨的尾巴存在于单个细胞中.
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