1.
The gas is much less dense than either the solid or the liquid.
气体的密度比固体和液体要小得多。
2.
What precise are your requirement?
你们的具体要求是什么？
3.
Diploid, triploid, tetraploid, pentaploid and hexaploid hybrid plants have been recovered from protoplast fusion, among which the tetraploid ones accounted for almost90%.
这些体细胞杂种有二倍体、倍体、倍体、倍体和六倍体,但主要是四倍体。
4.
The volume of a gas increases more quickly than the volume of a liquid, and the volume of a liquid increases more quickly than the volume of a solid.
气体膨胀得要比液体快，而液体膨胀得要比固体快。
5.
Size matters less than quality.
体积不如质量重要。
6.
He vowed he would lose weight.
他立誓要减轻体重.
7.
grow quickly in size,importance,etc
（体积、重要性等）迅速增大
8.
Sports news is to be broadcast.
就要播放体育新闻了。
9.
Your body needs fresh air.
你的身体需要新鲜空气。
10.
adequate nutrition of the body
身体需要的充足的营养
11.
Well, that depends.
嗯，这要看具体情况。
12.
A pond is nicer than a sports field.
池塘比体育场要好。
13.
Don't worry about my health.
不要为我的身体担忧。
14.
lose a vital member, such as an arm
失去一重要肢体, 如胳膊.
15.
Tips on English Body Language
使用英语肢体语言要诀
16.
It is an important commercial body.
那是个重要的商业团体。
17.
You should take good care of your health.
你要顾惜你的身体。
18.
I'm meeting with the press to do some damage control.
我要接见媒体，控制灾情。