多音字组词
称 chēng____ chèn ____; 蒙 méng ____ měng____
如图是四种微粒结构示意图,下列有关各微粒的说法中,错误的是( )
人走路时,脚被石头绊住,由于____ ,上身仍要保持原来的____ 状态,而向____ 倾倒.
How time flies! We should show love for our parents and make them how much they mean to us.