Scientific method
[计] 科学方法
🧩 词语组成解析
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
What will you do about it?
你会拿这事怎么办？
Yes, they're free. But there's usually a long line.
是的，免费。但常常要排长队。