An alternative approach to alcohols having two identical R groups ( q ) is to disconnect both at once.另一可供选用的,通向具有两个等同R基 的醇 ( q ) 的办法是,将这两个R基一举全都切开.If you don't pay your bills they'll disconnect your electricit...
...people of the utmost moral rectitude.最为正直的人Never turn aside from the path of rectitude.不可背离正道.Alexander is a man of unquestioned moral rectitude.亚历山大是个品行端正无瑕的人.I am sure she is a paragon of rectitude.我可以肯定她是个正直的完人.She...