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
Lovely!
太可爱了！
Don't climb a tree to look for fish.
勿缘木求鱼。
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。