Step aerobics
上下踏步有氧运动
🧩 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;
aerobics
[[eə'rəubiks]]
n. 有氧运动法；增氧健身法
🗣️ 情景例句
Today is the twelfth. Why?
今天是十二号。怎么？
Never (or Don't) trouble trouble till trouble troulbes you.
切莫自寻麻烦。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，