Step-wedge
[医] 楔形梯级
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
wedge
[wɛdʒ]
n. 楔;楔形物;（击高尔夫球的）楔形铁头球棒;〈比喻〉可以逐渐扩大作用的开端;
vt. 楔入;用楔子楔牢;挤进;
vi. 楔入;挤进;
🗣️ 情景例句
Well, that'll be eighteen dollars and seventy cents.
嗯 ，十八美元七毛。
That's terrible!
真可怕！
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。