英语翻译 NOW!人类要多久才能生活在海底尚没有把握你有必要准备一个笔记本,以随时记下生词在超市购物对城市居民来说非常方便将来乘坐高速列车从南京到上海只需要两个小时你真粗心,作文中有那么多拼写错误在美国,让孩子独自留在家中是违法的在公共汽车上给老人让座是有礼貌的如果你们不互相合作就很难完成任务很遗憾我错过了一场精彩的足球比赛真难相信小狮子出生时体重只相当于一只小狗用It做句首的句型

How long did the humanity want to be able to live in the seabed has still not grasped You have the necessity to prepare a notebook, by takes down the new word as necessary Is extremely convenient in the supermarket shopping to the city peoples Future will ride the high speed train only to need from Nanjing to Shanghai for two hours You are really careless, in the thesis has that many spelling mistake In US, lets the child alone keep in the family is illegal Offers one's seat to somebody on the bus to the old person has politeness If you cooperate not mutually on very difficultly to complete the task Very regrettable I have missed a splendid soccer competition Really difficult to believe when small lion birth the body weight is only equal to a puppy

人类要多久才能生活在海底尚没有把握
There's still no answer how long the humanbeings could live under the sea.
你有必要准备一个笔记本,以随时记下生词
It is necessary for you to prepare a note book,so that you can write down the new words anytime you want.
在超市购物对城市居民来说非常方便
It is very convenient to the urban citizens to go shopping in the supermarket.
将来乘坐高速列车从南京到上海只需要两个小时
It'll take only 2 hours by the high-speed train from Nanjing to Beijing (in the future).
你真粗心,作文中有那么多拼写错误
You're so careless,there're too many spelling mistakes in the composition.
在美国,让孩子独自留在家中是违法的
In America,to leave(leaving)the child(children)along at home is illegal.
在公共汽车上给老人让座是有礼貌的
It is good manners to offer your seat to elders(seniors) in bus.
如果你们不互相合作就很难完成任务
It's hard to finish(若需较长时间完成用complete 较好)the assignment(mission),if you can't get on well with each other(cooperate with each other smoothly).
很遗憾我错过了一场精彩的足球比赛
It's really a pity for me to miss a fantastic football match.
真难相信小狮子出生时体重只相当于一只小狗
It's hard to believe(incredible) that the weight of a baby lion just equate with that of a puppy.
都是很好的句子!对我有很大的帮助和锻炼,
恩…………我尽力翻译了,水平有限,请原谅!