高一英语词组

keep a varied diet had a very heavy meal set about doing set out to do ,have the honour of 有这些词组吗?是什么意思?it is better to be sure that sorry.这句是什么意思?balance A with B,balance A against B是什么意思,最好不去做某事怎么翻译,power energy有什么区别 Musical America is the business source for the performing acts.是什么意思?为什么要用for做介词,We shall have the honour of Mr White's staying for lunch.stay是什么意思

keep a varied diet 保持均衡多样的膳食
had a very heavy meal 吃了顿难以消化的膳食
set about doing 开始，着手
set out to do 打算，着手
have the honour of 有幸做……

it is better to be sure that sorry. 抱歉，你最好确认一下。

balance A with B 平衡A和B
balance A against B（或A is balanced against B也可）
把A和B两者进行权衡

最好不去做某事 It would be better not to do

power energy的区别

power 力量
The ship was helpless against the power of the storm.
那船抵挡不住风暴的力量.

power为“力，力量，能力，权力”。它是力的总称，指各种力，如电力，动力或某事物的能力。它也可指人所具有的力量，能力，权力及势力等。当指人所具有的力气时，它与strength同义。如：A football player needs power/strength to run with the ball.(power指体力。)I'll do everything in my power to help that old lady.(power指能力。)Electricity gives us power and makes machines work.(power指电力。)

energy （人的）精力，（供应给生命滋养的）能源、能量

He is full of energy -他精力充沛.
It is important to conserve energy -节省能源十分重要.