在1918年再版之前，这本书一直非常罕见。It remained an exceptionally rare book until it was reprinted in 1918.在这种经济环境下，新想法极为罕见。In this economic climate new ideas were few and far between.体貌完美的人极为罕见。Physical perfection in a human being is e...
Stop sitting there chasing rainbows . Get out and do some work.别坐着想入非非了,出去干点活.The two old people shimmered in brief rainbows.老两口的脸在短暂的霓虹中微微闪光.When she was young, rainbows were in black and white.他年轻的时候, 彩虹还是黑白的....
Their subsistence comes from the sea.他们依赖海洋生活。Their main mode of subsistence is hunting.他们主要以打猎为生。They were living barely above the level of subsistence.他们的生活水平勉强在最低水平线以上。Many families are living below the level of subsi...
It was gratifying to be in the know about important people.了解重要人物的一些内幕真令人高兴。It is gratifying to see such good results.看到这么好的结果真令人欣慰。We took a chance and we've won. It's very gratifying.我们决定搏上一搏，结果赢了，真是令人心花怒放。It...
DMA首先装满行缓冲器.The DMA will first fill the line buffer.这种模拟可以粗略地用一组弹簧和并联的缓冲器来表示.This can be represented schematically by a series of springs and parallel dashpots.双电磁阀 ( 电磁缓冲器 ) 和伺服阀回路平行布置.A two - solenoid valve ( battery -...