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
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
Ill (or Evil) gotten, ill (or evil) spent.
悖入悖出。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。