他告辞后回到他楼上的房间。He excused himself and went up to his room.德鲁说了一些不针对任何人的话就告辞了。Drew made some remarks to nobody in particular and said goodbye.他一吃完就告辞离开了。As soon as he'd finished eating, he excused himself....
Regular exercise strengthens the heart, thereby reducing the risk of heart attack.经常锻炼可以增强心脏机能，从而减少心脏病发作的危险。He became a British citizen, thereby gaining the right to vote.他成了英国公民, 因而得到了投票权.I have never been to that city;...