Actual valency
[机] 实际价
🧩 词语组成解析
[化] 化合价\\n[医] 效价; 价(化合价,原子价)
🗣️ 情景例句
I really want to go back to work,
我真的想回去工作，
Prepare for a rain day.
未雨绸缪。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。