Autooscillation
自振荡
🗣️ 情景例句
I think you put them
我想你是放在
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，