He pronounced it Per-sha, the way the English do.他像英格兰人那样将它读成Per-sha。Most of our flights have a baggage allowance of 44lbs per passenger.我们大多数航班行李限重为每位乘客44磅。Somalia, pop. 7.9 million, income per head about £1.60 a week.索...
Ethiopia, for instance uses the equivalent of just twenty kilos of oil per head a year.比如说，埃塞俄比亚每年的人均消费支出仅相当于20公斤的石油。By 1973 the government deficit equalled thirty per cent of GNP.到1973年，政府财政赤字相当于国民生产总值的30%。I agree with ...
常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.它可以用离心法分离.This can be separated by centrifugation.结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.Conclusion: High purity of MSC can be obtained by density ...
There are documented cases of wild tortoises that exhibit pyramiding - they live near soybean fields ( Highfield ).这里有些野外龟类隆背的证据 --- 他们生活在大豆作物区附近 ( 高地 ).The ore - a bimodal rock association and exhibit assembly character...
He's a retired Lieutenant Colonel and a bit of a martinet.他是个退役中校，有点军人作风。Our dean is an understanding counselor, not a martinet.我们的教务长是一位善解人意的好顾问, 而非厉行严格纪律者.Thomson , A . J . and A . V. Martinet . 1986 . A Practical...