“心上”造句

一种棘齿装置把线从线轴转到梭心上。
A ratchet mechanism transfers the thread from spool to bobbin.

她现在还在社区中心上陶艺课。
She now also does pottery classes at a community centre.

她尽量不把有时听到他们争吵的事放在心上。
She tried to forget that sometimes she heard them quarrelling.