He had nearly a thousand acres of grazing and arable land.他有将近1,000公顷的草场和耕地。There were cows grazing beside the river.有些牛在河边吃草。conservative grazing适度放牧Lawsuits involving property rights and farming and grazing rights incr...
He is under a delusion in this matter.他对这事有误会.He is under the delusion that he is Napoleon.他患了妄想症,认为自己是拿破仑.This was not optimism, it was delusion.这不是乐观，这是妄想。There is no fire like lust, no grip like hate; there is no net ...
设计合成了用以检测过渡金属离子的荧光化学敏感器体系,它们是由1,8-萘二酰亚胺为荧光团,多胺衍生物为金属离子受体组成.A series of fluorescent chemosensors 1 - 3 were synthesized to detect transition metal ions....