Cetrarin
冰岛衣素
🗣️ 情景例句
How do you get to work everyday?
你每天怎样去上班？
What's your nationality? Are you an American.
你的国籍是什么？你是美国人？
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。