英语听力精选进阶版 13773

（单词翻译）

Beijing cleans up its toilets

Vocabulary

put their heads together

discussed as a group

attendants

people paid to help the needs of others

buzzing around

moving about quickly creating a noise like an insect

regulations

rules

ordinance

collection of rules passed by authorities

public convenience

toilet used by anyone

smelly

unpleasant odour

paid a visit

gone to see something or someone

pungent

strong smelling

palatable

acceptable (smell or taste)