Sinusoid
n. 正弦曲线, 窦状隙\\n[医] 窦状隙; 窦状的
🗣️ 情景例句
He is on another line right now.
他正在接另一个电话。
There is much to be said on both sides.
公说公有理，婆说婆有理。
Yes, there are.
是的，有。