what does the polar bear live

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what does the polar bear live

what does the polar bear live
what does the polar bear live

what does the polar bear live
北极熊靠什么为生?
live on
1.继续活着; 继续存在
He's ninety, but still he lives on.
他90岁了, 还健在.
These traditions will live on for centuries.
这些传统将世代相传.
The composer's works will always live on.
这位作曲家的作品将永远留在人间.
2.住在…上
I have always wanted to live on an island in the middle of a lake.
我总是想在一座湖心小岛上生活.
3.以…为食; 靠…为生
Most of Asians live on rice.
多数亚洲人以大米为主食.
She still lives on her parents.
她依靠父母生活.
That old man lives on the earnings of his daughter.
那个老人靠他女儿的收入维持生活.
收起词典例句

北极熊以什么为生

北极熊靠吃什么活着?
live on (something) to eat a particular type of food to live 以食…为生
例如:
Small birds live mainly on insects. 小鸟主要靠吃昆虫活着。
见牛津字典:
http://www.oxfordadvancedlearnersdictionary.com/dictionary/live