Nonabrasive
未磨损的；防磨损的, 抗磨损的
🗣️ 情景例句
Everything will work itself out.
每件事情都会得到解决的。
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。