Their early training programmes them to be obedient and submissive.他们早期受过的教育把他们训练得俯首帖耳、唯命是从.Circus monkeys are trained to be very docile and obedient.马戏团的猴子训练得服服贴贴的.She was excellently, imperturbably good; affectionate, ...
The long - distance call tolls amount to quite a sum.长途电话费 数目相当可观.For whom the bell tolls.丧钟为谁而鸣?For Whom the Bell Tolls is vintage Hemingway.[战地钟声]是海明威的杰作....
Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
这台机器一天能冲压出2000枚硬币.This machine can punch out 2000 coins a day.这台机器每小时可冲压数百件机件.The machine can stamp out hundreds of components in an hour.高压还用来冲压金属和塑料制成的物品.High Pressure is used to stamp articles made of metal and plasti...