Colioid particles
[医] 胶体微粒
🧩 词语组成解析
n. 粒子系统；微粒, 粒子；碎木料（particle的复数形式）
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
I want to reserve a room.
我想预订一个房间。
A sound made by tapping on the hull of a ship will be reflected from the sea bottom,
敲打船体所发了的声音会从海底传回来，