Sinuidal
正弦波; 正弦形
🗣️ 情景例句
When do you need the money?
你什么时候需要钱？
Almost every process is computerized.
几乎每一道工艺都是由电脑控制的。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。