umbrella
🇺🇸
/ʌmˈbrelə/
🇬🇧
/ʌmˈbrelə/
a tool you hold to stay dry in rain or cool in sun
She opened her umbrella when it started to rain.
开始下雨时,她打开了她的雨伞。
something that covers many different things
The umbrella company manages all the smaller businesses.
这家伞形公司管理着所有较小的企业。
protection from a country or group
The country provides an umbrella of safety for its allies.
这个国家为其盟友提供安全保护。