It would be fair to say he had one or two unhappy moments out there...可以这么说，他在那里有过一两次不愉快。It is all very well to urge people to give more to charity when they have less, but is it really fair?鼓励那些自身并不富裕的人更多地投身慈善事业固然没错，但这么...
Crossing over The exchange of material between homologous chromatids by the formation of chiasmata.交换:同源染色单体之间形成交叉时遗传物质的交换现象.The exchange of prisoners of war was one of the key elements of the UN's peace plan.交换战俘是联...
An example of negative eugenics would be the attempt to eradicate a harmful recessive gene.消极优生学的范例是试图破坏一种对人体有害的隐性基因.These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended b...
Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.Practical applications for heat flow measurements in ocean floors are the location of hot brines.洋底热流量测量的实际目的是圈...
I picked first all the people who usually were left till last.我先挑出了所有通常留到最后的人。Lou prattled on about various trivialities till I wanted to scream.卢就各种芝麻小事唠叨个没完，后来我烦得都想尖叫了。He checked the register. There was money in the ti...