降低生活力或 “ 近亲繁殖的衰退 ” 并不是近亲繁殖必然的后果.Reduced vigor or " inbreeding depression " is not an invariable consequence of inbreeding.这些染色体畸变都是稳定的, 不影响细胞生活力的.These chromosome aberrations are all stable, compatible with cell viabilit...
Food for the ordinary Soviet troops and NCOs was very poor.苏联普通士兵的伙食很糟糕。Gorbachev failed to keep the component parts of the Soviet Union together.戈尔巴乔夫没能把苏联各成员国团结在一起。In 1990, 200,000 Soviet Jews resettled on Israeli terr...
Exports in June rose 1.5% to a record $30.91 billion.6月份的出口额上升了1.5%，创下309.1亿美元的历史最高纪录。Novello says college students will spend $4.2 billion yearly on alcoholic beverages.诺韦洛说大学生每年在酒精饮品上会消费掉42亿美元。The advertising agency ra...