They are very hospitable.他们很好客.Even in summer this place did not look exactly hospitable.即使在夏天，这个地方看起来也不太舒适宜人。He was very hospitable to me when I came to New York.我来到纽约时，他对我很热情周到。...hospitable political environments.有利的政...
氧是一种能和许多物质化合的气体.Oxygen is a gas which unites with many substances.在有限自动机公开钥密码体制中首次提出了自动机化合的概念.The concept of composition of finite automata is first proposed in finite automaton public key cryptosystem....