这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.摄影师停止按动快门，匆匆绕过拐角。The photographer stopped clicking and hurried around the corner.对这类相机而言，快门的速度是固定的。With this t...
The membrane of a bat's wing is interdigital.蝙蝠翅膀的膜是长在趾间的.These are substances which specifically latch onto the protein on the cell membrane.这些物质专门依附在细胞膜的蛋白质之上。A vibrating membrane in the ear helps to convey sounds...
Love was a word he'd erased from his vocabulary since Susan's going.自从苏珊离开后，他再也不提“爱情”这个词了。His speech is immature, his vocabulary limited.他说话很幼稚，使用的词汇有限。His vocabulary was sound and his grammar excellent.他的词汇丰富，...