牙刷

• 拼音: yá shuā
• 汉字拆解: 牙 = tooth; 刷 = 尸 + 刀 (knife) + 毛 (hair/bristle), to brush or scrub

含义

Toothbrush. The tool used for cleaning teeth.

A very common everyday word. Typically paired with 牙膏 (toothpaste). Dentists recommend replacing 牙刷 every three months. Also appears in the compound 电动牙刷 (electric toothbrush).

例句

1. 牙医建议每三个月换一次牙刷。
2. 出门旅行不要忘记带牙刷和牙膏。
3. 她给孩子选了一把印有卡通图案的牙刷。

用法指南

语境: everyday, health

语气: neutral

正确说法

• 我需要买一支新牙刷了，这支已经用了很久了。(I need to buy a new toothbrush — this one has been used for a long time.)
• 旅行套装里通常包括牙刷和小瓶牙膏。(A travel kit usually includes a toothbrush and a small tube of toothpaste.)

错误说法

• 把牙刷的量词用错 (Don't use the wrong measure word — the correct measure word for 牙刷 is 把, not 个 or 支, though 支 is also sometimes heard colloquially)

起源与历史

A compound of 牙 (tooth) and 刷 (to brush/scrub). The modern toothbrush entered Chinese daily life in the twentieth century, replacing traditional teeth-cleaning methods.

文化背景

世代: All ages

社会背景: Universal