英漢例句雙語例句Perfect number, amicable number and anti-sociable numbers are important topics in number theory.完全數、相親數以及孤立數一直是數論研究的一個重要課題。A lone acacia tree provides solace to sociable weavers, small birds who have built a number of large, interconnecting nests within its branches.一棵形單影只的金合歡樹為喜歡群居的織布鳥和在樹枝間筑起許多巨大互連鳥巢的小鳥們帶來了慰藉。sociable number更多例句詞組短語短語anti -sociable number 孤立數sociable number更多詞組