汉译英：There are three companies ________ (投标) for the contract on the new buildings.
查看答案
汉译英： Could you put what you have in your mind _________(书面形式)?
汉译英：You must stop __________(花费) too much money on unnecessary things.
汉译英：He always feels nervous and unease ______________(在……面前) of his manager.
太阳能电池组件在构成方阵时,会连接防反充二极管,它的作用有（ ）。
A. 防止太阳能电池组件停止发电
B. 防止蓄电池充电
C. 防止方阵各支路之间的电流逆流
D. 防止不发电时,蓄电池的电流向方阵逆流
微信支付 
支付宝支付