Quaternaries
[化] 季盐; 季铵盐类
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
It looks like we have problem with the shipment.
货有问题哦。