Lactos
(lacto 的复数) 乳
🗣️ 情景例句
Who am I, you old rascal?
我是谁 ？你这个老玩童。
Which one is more expensive?
哪一个是比较贵的？
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。