Back-packer
支撑式封隔器
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
packer
['pækə]
n. 包装机;罐头食品工人;赶牲口运货的人;打包机;
🗣️ 情景例句
Clean? You call this clean?
干净这样算干净？
How much will all this cost?
一共要花多少钱呢？
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了