Pack animal
n. 畜（如马、骆驼等）
🧩 词语组成解析
pack
[pæk]
n. 一群;包裹;（纸牌的）一副;一组;
vt.& vi. （把…）打包;塞进;拥进;（使）聚集成团;
vt. 挑选;压紧;携带;拧紧;
vi. 包装;紧挤在一起;便于折叠收藏的;匆忙离去（有时与 off 连用）;
🗣️ 情景例句
Hey, do you work out?
嘿，你锻炼吗？
Second, the bank called and told me I would have to keep up with my car payments or I might lose the car.
其次银行通知我得继续支付小汽车的贷款，否则我将会失去小汽车。
I suppose you dance much.
我想你常常跳舞吧。