Amazingly, these mitochondria were once free - living bacteria that were captured by an early single - celled eukaryote. 令人惊奇的是, 这些线粒体曾是被早期 单细胞 真核生物俘获的自生细菌.
三角星形线的两条互相垂直的法线的交点在哪里?Construct two mutually orthogonal tangents of the deltoid. Where do they meet?2三角星形线的两条互相垂直的切线的交点在哪里?Construct the part of the tangent of the deltoid intercepted by the curve....
Tian Shan and Liu Bing are classmates.田珊和刘冰是同班同学.My name is Lin Bing.我的名字叫林兵.Mr Bing's office sits high above Detroit's barren streets.Bing先生的办公室位于底特律空荡荡的街道的上面....
粗哑的声音在使劲地讲述着稀奇古怪的事情.Cracked and husky voices pronounced forcibly upon odd matters.粗哑的假嗓音响了起来,在那里荡漾.The artificially hardened voice rose harshly and hung there.他用粗哑的声音唱起了那首老歌.He began to sing that old song with his hoarse...