The children could be seen hacking across the hillside on their ponies.可以看到孩子们正骑着小马穿过山坡。They drove the ponies into a corral.他们把矮种马赶进了畜栏。She has a mania for ponies.她特别喜欢小马....
Grave fears are felt for the safety of the missing airman.对失踪飞行员的安全甚为担忧.We worry about the safety of the missing airman.我们对失踪飞行员的安全甚为担忧.The airman boldly jumped from the airplane with his parachute.飞行员带着降落伞勇敢地跳下飞机....