Milligamma
毫微克, 10的-9次方
🗣️ 情景例句
We are in the red.
我们有亏损。
Jean's mother warned her that men would try to take advantage of her.
琼的母亲警告她，男人会占她的便宜。
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。