在科学家们的努力下,中国已经能够制造像 C919 这样的大飞机.
With scientists' great efforts, China has to make big planes like C919.
It's to talk with your mouth full.(polite)
Growing up is hard for everyone. Laura has to face lots of stress as a . ( teenage )
After the Great Wall Station, Zhongshan, Kunlun and Taishan, China is now building its research station in Antarctica (南极洲). ( five )
The new plan asks residents (居民) to put their rubbish into four different , one for each kind of rubbish. ( box )
After a busy morning at work,lunchtime gives a chance to do many things,such as exercise,read and watch TV. (I )