Stratas
(strata 的复数) pl. 层, 地层, 阶层\\n[医] 层
🗣️ 情景例句
Good morning, sir.
早安，先生。
How long will your offer hold good?
一般你们报盘的有效期是多长？
A child ran into the street and knocked her off her bicycle.
一个孩子冲上马路，把她从车上撞了下来。