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...
Steps taken now to maximise your health will pay dividends later on.现在采取措施增强体质会使你日后受益。The cash dividends they get from the cash crop would sustain them during the lean season.从经济作物中获得的收益能帮助他们度过不景气的时期。Their decision five ...