Variational method
[化] 变分法
🧩 词语组成解析
a. 变异的
🗣️ 情景例句
Certainly. What time would you like?
好的，要几点叫你？
Sorry to have kept you waiting.
抱歉使你久等了。
You'll find the museum on the left.
你便可看见在左手边的博物馆了。