Permance
[计] 磁导
🗣️ 情景例句
She worried constantly.
她经常烦恼。
Don't they believe it's necessary?
他们难道不认为它是必要的吗？
They all looked at a big and noisy machine in another corner of the machine shop.
他们全都看着机械车间另一角落的一台又大又嘈杂的机器。