在生物学上,同种族生物数目越多,更加容易收到种族病毒的侵害.In biology a more homogeneous population is more susceptible to a genocidal plague.成年海豚企图杀死同种族的刚出生的小海豚.Adult tucuxi dolphins have been seen trying to kill a newborn calf of their own species...
在此条件下合成的产物中活性物含量可达40%.Under the optimum conditions, the content of active substance could reach 40 %.其固体物的质量分数为25%,活性物质量分数为18%.Its solid was 25 % and the activating agent was 18 %.对以氟化钠和一氟磷酸钠为基础的 抗 龋活性物配方的有效性给予了肯定.The ef...
He eventually sold the shares back to the bank at a premium.他最后以高价把股票回售给银行。Skilled workers are at a premium in this town.熟练的技工在这个城市里很受青睐.He worked mainly in New York City where living space is notoriously at a premium.他主...