Stairs sign
[医] 梯级征(脊髓痨患者下楼困难)
🧩 词语组成解析
stairs
[[stɛəz]]
n. 楼梯
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
It's an air-conditioner.
这是空调。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。