Hyposulculus
下沟
🗣️ 情景例句
Not as happy as I am.
我比你更高兴。
You cannot make a silk purse out of a sow's ear.
猪耳朵做不成丝钱包；巧妇难为无米之炊。
German is a more difficult language than English is.
德语比英语难学。