B 开头单词
be worthy to be done 值得（被做）……
be worthy of the name 名副其实 当之无愧
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 为…而担心，忧虑
be worn out （物）破旧；疲惫不堪；用坏了的
be world-renowned 闻名于世
be worked up 激动起来
be woolgathering 心不在焉
be wold about [航空、航天科学技术]热衰于
be within earshot [航空、航天科学技术]在听得见声音的地方