Extremum
n. 极值
🗣️ 情景例句
She's just like her grandma.
她就像她的祖母一样。
Money is a good servant but a bad master.
要做金钱的主人，莫作金钱的奴隶。
Also they make the tank look much prettier.
二来，它们还可以使容器看起来更漂亮些。