🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
So I heard you're going to get married. Congratulations!
听说你快要结婚了，恭喜！
Nothing is difficult to a man who wills.
世上无难事，只怕有心人。
If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy.
比如，如果你住在地中海地区，你会把章鱼视作是美味佳肴，