Staircase phenomenon
[医] 阶梯现象
🧩 词语组成解析
🗣️ 情景例句
Yeah? What was it?
是吗？ 是什么惊喜？
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。