1、filter

过滤

The best prevention for cholera is to boil or filter water, and eat only well-cooked food.

预防霍乱的最佳方法是将水煮沸或过滤，并且只食用煮熟后的食物。

(消息等)走漏，慢慢传开

It took months before the findings began to filter through to the politicians.

调查结果数月后才传到从政者的耳朵里。

News of the attack quickly filtered through the college.

有关袭击的消息很快就在该学院中传开了。

滤除;滤掉

Children should have glasses which filter out UV rays.

儿童应该戴上滤除紫外线的眼镜。

Plants and trees filter carbon dioxide out of the air and produce oxygen.

花草树木会过滤掉空气中的二氧化碳并制造氧气。

2、branch

（企业或组织的）分支机构，分部，分店

The local branch of Bank of America is handling the accounts.

美国银行在当地的分行正在处理这些账目。

National is Britain's leading autocare service with over 400 branches nationwide.

英国轮胎与车辆养护公司是英国最有名的汽车养护企业，在全英国有400多家分店。

（某学科的）分支，分科

Whole branches of science may not receive any grants.

各自然科学学科可能都得不到任何拨款。

Oncology is the branch of medicine dealing with tumors.

肿瘤学是研究肿瘤的医学分支。