Septavalency
(=septavalence)[化]七价
🗣️ 情景例句
The gap is too wide to be filled. The largest cut we can offer is 5%.
价格差距太大，我们最多降价5%。
Counsel must be followed, not praised.
忠告必须照办，而不是赞美。
Have you just been to the cinema?
你刚去过电影院吗？