🧩 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
Why do you plan to leave the present job?
你为什么打算离开现在的工作？
He that is angry is seldom at ease.
怒者寡宁。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。