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
(a foreigner) Is that a special day?
(一个外国人)是一个特殊的日子吗?
The healthful man can give counsel to the sick.
健康的人可以对生病的人提出忠告。
If the landscape is hidden from view, you can enjoy the extraordinary sight of unbroken cloud plains that stretch out for miles before you, while the sun shines brilliantly in a clear sky.