已知ab是圆o的直径,PA切圆O的点A,PB交圆O于点C

stay in love is more difficult than fall in love 求翻译= = it is believe that more than the love高手给个漂亮的翻译 动植物为什么离不开空气 PLC由哪几个主要部分组成?各部分的作用是什么? PLC的扫描周期主要由哪几部分时间组成?起决定作用的是什么时间?与什么因素有关? plc主要由什么组成 地球上真的有美人鱼的存在吗? How many months are there in a season?译成中文 how many months are there in a year? How many months are there in a year （英语回答） i feel will love u ----------- large number of students walk to school in chinaA.A B.An C.The D/ make a good list的汉语是什么意思 How many seasons are there in a PLC由哪几个部分组成? PLC的组成 人类从动物植物身上得到了什么启发 1可编程序控制器主要由哪几部分组成 人类从植物身上得到的启示 地球上有美人鱼吗 求sleeping child 歌词翻译 要求翻译的准确明了 Sleeping child 歌词帮我找找,我刚刚注册,不懂规矩. 有一首英文歌曲,其中有一句可能是“mother sleeping children sleeping"请问是什么名字?一个女生唱的,很好听的.还有一句是"if you will just take me " the number of students in this village school _____(increase) day by day. Suddenly I want to your 推荐一些有趣的绕口令~~最好中文的,如果有英文的……也没关系了啦~~ 给个好玩的绕口令rtrtrtrt The number of students in this school ______ by 5%The number of students in this school ______The number of students in this school ______ by 5%every year.A.rise B.raise C.rises D.raises Such a lovely girl,so cold to me这句话对吗,不对的话该怎么改 helen was such a lovely girl as everybody felt happy when talking with her改错 TI——（No Matter What）中文歌词翻译 什么样的螺纹需要加工退刀槽?