医生建议患者在手术前避免饮用酒精。

Yīshēng jiànyì huànzhě zài shǒushù qián bìmiǎn yǐnyòng jiǔjīng.

Doctors advise patients to avoid consuming alcohol before surgery.

酒精在实验室中常被用作消毒剂。

Jiǔjīng zài shíyànshì zhōng cháng bèi yòng zuò xiāodú jì.

Alcohol is often used as a disinfectant in laboratories.

饮酒后不要驾驶车辆，以免酒精影响判断力。

Yǐnjiǔ hòu bùyào jiàshǐ chēliàng, yǐmiǎn jiǔjīng yǐngxiǎng pànduàn lì.

Do not drive after drinking to avoid the influence of alcohol on judgment.