生根的基质应当是湿润, 透气良好和消过毒的.The rooting medium should be moist, well aerated, and sterile.琥珀酸盐在以后的氧消耗中是最有效的基质.Succinate was the most effective substrate in following oxygen consumption.卵巢皮质的基质中有许多卵泡.The ovarian follicles are e...
Except for the transitional elements, valency electrons are in the outermost electron shell.除去过渡元素外, 价电子位于最外面的电子层.Hung believes the electrolyzed water steals electrons from molecules that the bacteria need for survival.黄...
This defender’s ability to score vital goals has often proved a trump card.这名防守队员在关键时刻进球得分的能力常常成了整个队的制胜法宝。an indefatigable defender of human rights不屈不挠的人权捍卫者He shouldered off a defender and shot at goal.他用肩膀挡开防守队员,然后射门.a...