Microscopic examination of a cell's chromo-somes can reveal the sex of the fetus.利用显微镜检查细胞染色体可以发现胎儿的性别。For traditional chromo - thermometer, the operation wavelength is determined by interferential filter.传统的比色测温仪由干...
有个男的一只脚绞进剪草机里了。A man caught his foot in the lawnmower.剪草机虽然生锈了但仍然可以使用.The lawnmower is a bit rusty but still usable.不喝啤酒的男人就像没草可割的剪草机一样无用.A man without beer is like a lawnmower without grass....
a strange concatenation of events一连串奇怪的事Which of these approaches is adopted depends on the concatenation of a number of factors.这些方法中究竟采用哪一种,视若干相互联系的因素而定.Memory is nothing else than a certain concatenation of ideas.记忆不是...
He meditated for two days before giving his answer.他在作出答复之前考虑了两天.She meditated for 2 days before giving her answer.她考虑了两天才答复.He meditated resentfully on the physical texture of life.他满心忿忿不平,左思右想着生活的物质方面....