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
All window seats are sold out.
所有靠窗口的位子都卖光了。
Milk,butter,and cheese are shipped here from the dairy farms.
这里的牛奶，黄油，和奶酪都从奶场装运来。
And why only snakes? Cats, for instance, would be greatly helped; no running fights with large, fierce rats or tussles with grown rabbits -- just a bite and no more effort needed.
为什么只有蛇才有毒液呢？譬如说，如果猫有毒液，那对猫会大有帮助，它就不必再和又大又凶的老鼠边跑边博斗了，也不必再和大兔子扭斗了，只要咬一口，就不必再费大力气。