Newtonite
块矾石
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
The glasses keep their eyes safe.
眼镜可以使眼睛不受伤害。