Cav
[计] 恒定角速度
🗣️ 情景例句
What are you getting at?
你想说明什么？
I put some photographs in the envelope.
我在信里夹了几张照片。
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。