receipt n. 收据，发票
flicker v. 闪烁，颤动
She was reading by the flickering light of the candle.
她借着闪烁的烛光读书。
spill v. 泼，洒，溅
Who spilt ink on my notebook?
谁把墨水泼在我的笔记本上了?
refund v. 退还，归还，退款
If the shoes do not wear well the shop will refund the money.
如果鞋不经穿，商店将退还你钱。
defective adj. 有缺陷的，缺损的，不完美的
misuse n./v. 误用，滥用
It is wrong to misuse our natural resources.
滥用我们的自然资源是不对的。
delicate adj. 易碎的，纤弱的，娇贵的
Take care with these delicate flowers.
当心这些娇嫩的鲜花。
