Palstance
角速度(即ω=2πｆ)
🗣️ 情景例句
Hello.
你好！
I'm afraid you will be discouraged.
我怕你会灰心。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。