They may even have raced each other — but not regularly.他们甚至可能曾经相互比试过，只不过不是经常性的。He raced ahead up into the bush, barking and snarling.它嗥叫着冲向前，一头钻进了灌木丛。In the 10 years I raced in Europe, 30 drivers were killed.在我10年的欧洲赛车生...
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...