Octivalent
八价的
🗣️ 情景例句
And there's no reason why you can't do it from your home.
而且也没有理由你不可以在家里做。
Seldom seen, soon forgotten.
见得少，忘得快。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。