单词	allotrope
释义	allotrope /ˈalətrəʊp / noun Chemistry Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon.Two allotropes of the element exist, accounting for the slight variation in densities.... Each of these allotropes of phosphorous also has its own subset of forms. A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter. Origin Late 19th century: back-formation from allotropy.
随便看	close-knit close-lipped closely closely fought closely knit close-minded close-mouthed closeness close one's eyes to close one's mind to close (or dear) to (or near) one's heart close (or near) to home close (or shut) one's eyes to close (or shut) one's mind to (or against) close (or shut) the door on (or to) closeout close-packed close quarters closer close range close ranks close-ratio close reach closer settlement close-run

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。