baa的音标：baa的英式发音音标为：[bɑ:]baa的美式发音音标为：[bɑ]...

baa的现在进行时为：baaing...

baa的现在完成时为：baaed...

baa的一般过去时为：baaed...

n.羊叫声vi.羊叫...

The yield of the product N - BAA was 92 % under above conditions.在最佳条件下,N-BAA的收率可达92%.BAA aims to derive most of its revenue from managing and chartering private jets.BAA打算通过私人飞机管理和租赁业务赚取大部分收入.The BAA Board is formed thr...

baa的第三人称单数（三单）为：baas...