Sigmoidal
反曲
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起，我就一直发高烧。
Please use normal export containers unless you receive special instructions from our agents.
除非你们收到我方代理的特别指示，否则请用正常出口集装箱。
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.
这些肌肉以巨大的力量扇动短小的翅膀，使这类鸟能顶着大风飞行很远的路才会疲劳。