The fact of the matter is that student finances are stretched.关键是奖学金有限。He had burns that stretched from his neck to his hips.他从脖子到臀部均被烧伤。She stretched her arms out and gave a great yawn.她伸了个懒腰，打了个大哈欠。...
他给他演示如何吹奏象牙吹口乐器。He showed him how to blow into the ivory mouthpiece.象牙海岸成为世界上可可粉的主要产地。The Ivory Coast became the world's leading cocoa producer.象牙磨损的速度快于生长的速度。Elephants wear the tusk down faster than they can grow i...