back scratcher

常见例句

Your ancestors 1000 generations back invented the back scratcher.
你祖上1000代发明了不求人（抓背的那东西==）。
Scratch my back and I'll scratch yours.
[谚]你帮我，我帮你。
Rose bushes shoot again after being cut back.
玫瑰丛修剪後还能再长出新枝。
It was built back up from scratch after the war.
它是战后从瓦砾中重建起来的。
He wanted me to scratch his back, he itched.
他想让我给它搔背，他很痒。
He trudge three hour in the snow to get back home.
他在雪中跋涉三个钟点才回到家。