B 开头单词
be worthy to be done 值得（被做）……
be worthy of the name 名副其實 儅之無愧
be worthy of doing 值得做某事
be worthwhile to 做......是值得的
be worth doing sth 值得做某事
be worth doing 值得做……
be worth 值得
be worse than before 今不如昔
be worried about 爲…而擔心，憂慮
be worn out （物）破舊；疲憊不堪；用壞了的
be world-renowned 聞名於世
be worked up 激動起來
be woolgathering 心不在焉
be wold about [航空、航天科學技術]熱衰於
be within earshot [航空、航天科學技術]在聽得見聲音的地方