three的序述词

three的序述词 three family和three families的区别 three fish 与three fishes的区别. fifty-three和fifty three的区别 three time和 three times的区别 all three的three是什么词性 three 的音标是什么 three的同音词 three-legged 的legged second three的意思 three times的中文 three months 的同义词