Muller
n. 磨杵, 粉碎机, 研磨机\\n[医] 平底乳钵(研磨器)
🗣️ 情景例句
It always takes time to get used to a new place.
适应一个新地方总是需要一段时间。
Did you cut yourself?
你自己剪的？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，