🧩 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）;
riding
[['raidiŋ]]
n. 骑, 乘车, 乘, 骑术, 骑马
🗣️ 情景例句
I'm working my way through college.
我靠勤工俭学上大学。
By little and little the wolf eateth the sheep.
狼吃羊，一只一只进肚肠。
Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.
月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。