The holes were sufficiently large to serve as nests.这些洞作鸟巢足够大。We found that birch bark could serve as paper.我们发现桦树皮可以作纸用.Such stories serve as a spur to children's imagination.这类故事能激发儿童的想像力....
他和其他7架喷气机一起列队飞行。He was flying in formation with seven other jets.旋风式喷气轰炸机有两个空气入口.The Tornado jet fighter - bomber has two air intakes.火车噗噗喷气,徐徐驶去.The engine puffed slowly away....
They planned their careers and worked assiduously to see them achieved.他们规划了自己的事业，并且勤奋工作以实现目标。She planned to unlock the store at 8.00 sharp this morning.她打算今天早上8点整准时开门营业。The original planned launch was called off four mi...