Herons Ardeidae, sparrows ( Passerinae ) and common magpies ( Corvidae ) are suggested as useful bioindicators of environmental pollution. 建议选择野生鹭类 、 麻雀和喜鹊等鸟类作为指示生物监测环境中的重金属污染.
主要控矿条件包括地层 、 构造和岩浆岩.The ore controlling condition is mainly composed of strata, magma, and structure.火山爆发的时候,岩浆岩把整个城市都淹没了.The magma submerged the whole city when the volcano erupted.断裂和岩浆岩是两大重要的成矿地质条件.The hydrothermal so...
失去心爱的人是无法补偿的。Nothing can compensate for the loss of a loved one.虚度光阴是无法补偿的(光阴一去不复还).Nothing can compensate for the loss of time.他赞成逐步解放,采取补偿的办法.He was for emancipation by stages and with compensation....