Contoured
a. 波状外形的
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
At least everyone's all right.
至少大家都没事。
I gave him fifty pence yesterday and advised him to save it.
昨天，我给了他50便士让存起来，