溴、氯陽離子化合物的數量受局限.The number of cationic bromine and chlorine compounds is restricted.溴化反應較不易發生.Bromination takes place less readily.溴化烷可以這樣形成.Alkyl bromides can be produced this way....
他們在大學偶遇，最后結了婚。They had met by chance at university and finished up getting married.他們再次偶遇的可能性非常小。It was highly unlikely that their paths would cross again.幾年來，尤爾和柯克偶遇了很多次。Over the years, Yul and Kirk had crossed paths ma...