我国轨距允许的变化范围是+2、-6。

()thetrafficduringtheOlympicGames?

Icamehere()thesummerschool.

What'sthemeaningoftheword"seem"?

2π转化为角度是（）度

已知向量a=(2,6),向量b=（4，x）且向量a∥b,则x=()

TranslatethesentenceintoChinese"TheNetherlandshasamoderateclimate."

TranslatethesentenceintoChinese"Beerisamajorpartofitsculture."

TranslatethesentenceintoChinese"ThecapitalofChinaisBeijing".

TranslatethesentenceintoChinese"Peoplethereareniceandfriendly.".

TranslatethesentenceintoChinese"Longtimenosee"?

what'sthemeaningof"beach"?

what'sthemeaningof"神话"?

what'sthemeaningof"unique"?

what'sthemeaningof"touristattraction"?