Iconal
光程函数, 程函, 哈密顿特征函数
🗣️ 情景例句
I didn't quite catch your name.
对不起，我没听清楚你的名字。
Don't you think it necessary to have a close study of the contract to avoid anything missing?
你不觉得应该仔细检查一下合同，以免遗漏什么吗？
You're a jerk!
你是个废物！