The betaine will collapse to the alkene only when these two functions are eclipsed . 只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃。
They predicted accurately every eclipse of the moon and sun, the return of every comet . 他们正确地预报每一次月蚀和日蚀，每一次慧星的出现。
She was annoyed that in the universal estimation edward should have so entirely eclipsed her . 爱德华得到的普遍尊敬把她齐顶淹没了，对此她很是不安。
The eclipse of the bond after 1928 or 1929 led to new forms of foreign lending . 1928或1929年以后，债券声誉骤然下降，从而导致种种新的对外贷款形式出现。
Now in his 58th year, winston leonard spencer churchill is a figure in political eclipse . 温斯顿伦纳德斯潘塞邱吉尔已经五十八岁，此时他在政界是一个失势的人物。
Although eclipsed by events in normandy, its importance and its difficulties should not be underrated . 与进攻诺曼底的计划相比，它虽然大为逊色，但是它的重要性和艰巨性却不应低估。
Assume the geometry of the eclipsed form to be that given by rigidly rotating one methyl group with respect to the other . 假定重叠式的几何形是由一个甲基相对另一个甲基做刚体转动而得。
It is a rare occasion when the moon does pass more or less directly before or behind the earth, an eclipse occurs . 在月球几乎直接从地球正面或背面穿过这种甚为罕见的情况下，就会发生食。
The tv, radio and print reviews of the movie actor's brief appearance had eclipsed all other news about tunipah . 电视台、广播以及报纸上对这位演员露面的报道，使其他关于图尼帕的新闻都黯然失色。
It is you that have eclipsed the day--it is your eyes that light up the halls--it is your breath which fills them with perfumes . 是你遮住了阳光，是你的眼睛照亮了厅堂，是你的气息带来了满室芳香。
