Septavalency
(=septavalence)[化]七价
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
The wise man's tongue is a shield, not a sword.
智者之言，是保卫而非攻击。
Apart from an interesting-looking carved dagger, the box was full of crockery, much of it broken.
除了一柄式样别致、雕有花纹的匕首外，货箱内装满陶器，而且大部分都已破碎裂。