Back-scratching
n. 互相利用
🧩 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;
v. 擦伤；划伤；刮痕（scratch的ing形式）
🗣️ 情景例句
Will I be able to receive the goods by the end of September?
我可以在9月底以前收到货吗？
To carry dirt
清理垃圾
Twelve days later, millions more Indians lined the railway tracks as a slow train took the jar containing his ashes 584 kilometres to a place by the river.
12天后，当一列慢车将盛有甘地骨灰的坛子驶向584公里外，靠近恒河的一个地方时，又有数百万人排列的铁路两旁，夹道送行。