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
Oh, without a doubt.
啊， 毫无问题。
You'll have to decide whether you want to pass your examinations or just have a good time.
你必须决定你是想通过考试还是好好玩一玩。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。