Jackson's safety triangle
[医] 杰克逊氏安全三角
🧩 词语组成解析
🗣️ 情景例句
This is the moment you've been waiting for.
你期待已久的时刻终于到来了。
How much is a hair cut?
剪一次头发要多少钱？
It's a clock.
一只钟。