Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.表明笔石详细构造的物质是利用氢氟酸从石灰岩中侵蚀出来.The slowness is dissolve in hydrofluoric acid and hot oil ofvitriols.缓慢溶于氢氟酸...
The slowness is dissolve in hydrofluoric acid and hot oil ofvitriols.缓慢溶于氢氟酸和热浓硫酸.Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.表明笔石详细构造的物质是利用氢氟酸从石灰岩...
墙面用蛋壳漆刷成了白色。The walls had been painted an eggshell white.乔纳森善于糊墙纸,但不善于使用漆刷.Jonathan's good at wall - papering but he's not so handy with a paintbrush.这把刷子可以充作漆刷.This brush can go for a paintbrush....
The police arrived. Thereupon the mob scattered.警察来了,这群乌合之众也随之散去.The king was burned in effigy by the angry mob.国王的模拟像被愤怒的民众烧掉以泄心中的愤恨.She pushed her way through the mob and confronted him face to face...她挤过骚动的人群，与他当面对峙。I...
We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.用复数算术推导了正弦,余弦的加法公式.The designing amendatory formulas will make the marine gearing of ship become more reasonable and safer.利用此公式计...
They feel scared and powerless in conveyor-belt hospital wards.在千篇一律的病房里，他们感到恐惧而又无能为力。It was taken right there on a conveyor belt.它被传送带直接送到了那边。the heavy steel rollers under the conveyor belt传送带下沉重的钢滚筒...