Obstructiveness
n. 妨害;阻碍
🗣️ 情景例句
Good morning, sir.
早安，先生。
Let's just hope it doesn't get cold again.
但愿不会再冷。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。