Some pulsars keep time better than the earth's most accurate clocks.某些脉冲星发送脉冲比地球上最精确的时钟都准时。They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑...
The cold wind from Lake Baikal is blowing hard.从贝加尔湖吹来的冷风在呼啸.Commercial fishermen catch three main types of fish in Lake Baikal.在贝加尔湖,商业捕鱼人员主要捕获三种类型的鱼.Lake Baikal is something of a miracle to the Russians.对俄国人来说,贝加尔湖颇有些神...
PS. Please show your friends this letter and the enclosed leaflet.附：请把这封信和内装的小册子给你的朋友们看看。PS Could you send me your fax number again?又及：请再把您的传真号码发给我好吗？The PS Edition After curing the normal color is red - brown.烘烤后的PS版,变态...
Twelve hours is the minimum, sixty hours the maximum.12小时为下限,60小时为上限.He walked two hundred and sixty miles in eight days.他在8天里走了260英里的路。I'm sixty-two. I feel sixty-two, neither more nor less.我现在62岁了，感觉自己也确实到这把年纪了。...
An HPLC method for the determination of bifenthrin emulsifiable concentrates was developed.建立了HPLC测定联苯菊酯含量的方法.Mixing phoxim emulsifiable mixture of phoxim and phorate.辛、甲混合制剂是由辛硫磷与甲拌磷两种农药复配而成的.This paper reports the main...
The noun " mouse " is the singular form of " mice " .名词mouse是 mice 的单数形式.In " the black cat " the adjective " black " modifies the noun " cat " .在the black cat这一词组中,形容词 black 修饰名词cat.The word " person " is a countable no...