vi.发出吼叫声，咆哮（尤指因痛苦） vt.& vi.大声喝道，大叫，出大而有力的声音 n.吼叫声，轰鸣声
I was distraught and let out a bellow of tearful rage.
我心烦意乱，流着眼泪发了一通火。
Brown pointed to the compass and Alcock let out a bellow of laughter.
布朗指了指罗盘,阿尔科克发出一阵大笑.
I went to the little lane where I had last seen her plying the bellow's lever.
我绕到那个小巷,希望见着妈妈;我想起她在门外拉风箱的样子.