Bibivalent
[化]双二价的
🗣️ 情景例句
Mother: Marilyn. Father: Richard.
母亲： Marilyn。父亲： Richard。
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
I'm not sure we can wait that long.
恐怕等不了那么久了。