Unit step
[计] 单位阶跃, 单步
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
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;
🗣️ 情景例句
Let me hear it.
说给我听听。
Is it raining now?
现在正在下雨吗？
Ever since then, the great monument has been a symbol of liberty for the millions of people who have passed through New York Harbour to make their homes in America.
从那时起，这座伟大的纪念碑对通过纽约港进入美国定居的千百万人来说就一直是自由的象征。