Sinuidal
正弦波; 正弦形
🗣️ 情景例句
I'll go to him.
我去。
That makes ten dollars, right?
这加起来是十美元，对吗？
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。