Step function
[电] 逐级函数
🧩 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;
🗣️ 情景例句
They are constantly quarreling.
他们时常吵架。
May I help you?
要我帮忙吗？
The police had a difficult time, but they were most amused.
警察虽然吃了苦头，但他们还是感到很有趣。