Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.The extraction mechanism and separat...
He poled the raft down the river.他用篙撑筏沿江而下.He has surrounded himself with a raft of advisers who are very radical...他周围聚集了一大群偏激的顾问。'Are you sure the raft is safe?' she asked anxiously. 'Couldn't be sa...
Glaciers are moving rivers of ice.冰河是犹如河水般流动的巨大冰体。Glaciers gouged out valleys from the hills.冰川把丘陵地带冲出一条条山谷.It has ice and snow glaciers, rainforests and beautiful mountains.既有冰川, 又有雨林和秀丽的山峰....
库克叫这只狗的名字时，它的耳朵就会稍稍耷拉一下。The dog's ears flattened slightly as Cook spoke his name.它的叶子在灼热的阳光下微微耷拉着。Its leaves drooped a little in the fierce heat of the sun.他的舌头从嘴角耷拉出来。His tongue was lolling out of the side of his m...
There will be an enthralling race tomorrow.明天会有场吸引人的比赛。Music is the maximum enthralling phenomenon in the globe.音乐是全地球上最迷人的一种事物.Music is the most enthralling phenomenon in the world.音乐是世界上最迷人的一种事物....