Sinusoids
(sinusoid 的复数) n. 正弦曲线, 窦状隙\\n[医] 窦状隙; 窦状的
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
He that never rode never fell.
不骑马就永不会从马上跌下。
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。