Sizeof
n. 运算符；大小
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
You'd better see a doctor about that stomachache.
你胃痛最好去看医生。
What's the weather like?
天气怎么样？