Actual key
[计] 实际关键字
🧩 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
If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话，打电话给我，晚上一人走回家不安全。
Please be quiet.
请安静点。
Last year was a bad year for the company. There was a big fall in sales.
去年公司不景气。销售额骤减。