Ichthyopterygium
[医]鳍（型肢）
🗣️ 情景例句
He couldn't teach such dull children.
他教不了这么笨的孩子。
They that sow in tears shall reap in joy.
泪水汪汪播种，得意洋洋收获。
The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.
强硬法就是驱使象去干活，把它打到顺从为止。