骑摩托车时一定要戴好头盔。
You must wear a helmet when you ride a motorbike.
▼点击显示答案
motorbike英 /ˈməʊtəbaɪk/|美 /ˈmoʊtərbaɪk/
You must wear a helmet when you ride a motorbike.
You must wear a helmet when you ride a motorbike.
You must wear a helmet when you ride a motorbike.
在 App 中完整学习这张卡片
在 App 中学习