Grindability
[机] 可磨性
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
A constant guest is never welcome.
久住非佳宾，常来不欢迎。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，