lǚ xíng / shí / tā / zài / yào diàn / mǎi le / yì bǎ / wā ěr zǐ / fàng jìn / xǐ shù bāo / bèi yòng

旅行时，他在药店买了一把挖耳子，放进洗漱包备用。

While traveling, he bought an ear pick at a pharmacy and put it in his toiletry bag for later use.