Septivalent
a. [化]七价的
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
Working without a plan is sailing without a compass.
工作没有打算，犹如航海没有罗盘。
It's up to you to decide.
这主要取决于你。