Kollag
固体润滑剂
🗣️ 情景例句
from the old clothing of every member in the family
从每位家庭成员的旧衣服上
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
The plane wasn't too badly damaged, but over the years, the crash was forgotten and the wreck remained undisturbed.
飞机损坏的程度并不严重，但是，多年来这起飞机失事已被遗忘，飞机残骸也没受到破坏。