单词：ringdown signalling
振铃信号;低频监察信号
单词：ringdown signalling 相关文章
Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f
发表于:2019-01-03 / 阅读(104) / 评论(0)
优美儿童英语歌曲
优美儿童英语歌曲
Science and Technolgy 科技 Arthritis and botulinum toxin 关节炎与肉毒杆菌毒素 Something to celebrate 值得庆贺 Botulinum toxin may help relieve chronic pain 肉毒杆菌毒素也许能够帮助缓解慢性疾病的痛苦 ARTHRITIS is t
发表于:2019-01-26 / 阅读(40) / 评论(0)
经济学人科技系列
经济学人科技系列
歌词如下： Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.
发表于:2019-01-28 / 阅读(58) / 评论(0)
英语儿歌274首
英语儿歌274首