She is said to be stepping out with actor Matt Dillon.据说她和演员马特·狄龙一起公开露面了。I don't regret stepping out of the security of marriage.我并不后悔放弃了婚姻所带来的安全感。a stepping stone to a more lucrative career涉足更赚钱的行业的敲门砖...
氨基酸是弱酸和弱碱, 因此, 它们是很好的缓冲剂.Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.缓冲剂可以像烤面包的苏打粉那样使用,它们都能够使ph值保持稳定.Buffers can be used like baking soda will help keep ph stable.着重叙述了缓冲剂原理及...
People are leaving in their thousands while the going is good.成千上万的人趁着局势稳定赶紧撤离。I had the good fortune to be selected...我有幸被选中。The results will decide if he will win a place at a good university...这些成绩将决定他能否上一所好大学。That wo...