Imperturbation
n. 沉着, 冷静, 泰然自若
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
The buyer has the option of cancelling the contract.
买主有权撤消合同。
The chaos was inconceivable.
房间里的紊乱状况是无法想像的。