今年李子树不开花.There is no blossom this year on the plum trees.这些小李子树在北美大西洋沿岸生长.These small plums grow wild along the Atlantic coast of North America.请迅速修剪李子树. 摘李子的人摘下饱满了李子.Please prune plum trees promptly. The plum pickers pl...
溴化反应较不易发生.Bromination takes place less readily.溴化烷可以这样形成.Alkyl bromides can be produced this way.溴化氢加成的最后一步,是负离子亲核试剂的附加.The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step...
阳光从舷窗外面直射进来, 使外边那间气象堂皇的舱房十分轩敞.Sunlight streamed through the portholes, brightening the impressive outer cabin.我认为我们最好还是用一些更堂皇、更有力的词句.I think we'd better use something more dignified and forceful.这事做得不是很堂皇的 吗 ?Was no...