Sinesoid
正弦曲线
🗣️ 情景例句
You know I'm very excited about his arrival.
知道我对他的到来是多么兴奋。
I think it's going to be too big.
我认为它将太大。
Then they arrived just when we wanted them.
这样，他们可以恰好在我们要求的时间到达。