Bipositive
[医] 二正[原子]价的
🗣️ 情景例句
Both are equally effective.
两者都有效。
Please show me a cheaper one.
请给我看一件比较便宜的衣服。
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。