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....
miscellaneous odds and ends零碎杂物There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters.有各种工具 、 手钳 、 油灰刀, 极性印戮 、 电他标记打印或编号机 、 铅切刀.They eat a lot of meats an...
They started to mend the woodwork and paint the walls...他们开始修补木建部分，粉刷墙壁。...the shop's bare brick walls and faded wooden floorboards.商店裸露的砖墙和褪色的木地板Lignin is a characteristic component of secondary walls.木质素是次生壁成份的特征....