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
Are you sick?
你病了吗？
If you want to be healthy, you have to stop smoking a pipe.
如果你要身体健康的话，必须停止抽烟斗。
Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp.
现在他身穿蓝军装，肩扛步枪，在军营门前大胆地来回走看。