Step response
[化] 阶跃响应
🧩 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
We had a great time, Mom.
我们玩得非常开心，妈妈。
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。