n.注射器
vt.（用液体注射器）冲洗
Syringe used to be an ordinary appliance in medical treatment. 注射器最初只是一件普通的医疗器具。
The child started to wail when the nurse come over with a syringe. 当护士拿著针筒走过来时，孩子便嚎啕大哭起来。
He boiled his syringe and fired his knife to sterilize them. 他把注射器放到水中煮，把刀子放在火上烧来进行消毒。
