Hirudinea
[醫] 蛭綱
??? 情景例句
The teacher flunked him in geography.
老師給他的地理打不及格。
He that cannot ask cannot live.
不會求者不會生。
We realized that they must have become unduly frightened by the rising flood,
我們意識到他們一定是被不斷上漲的洪水嚇壞了。