The feasibility that the concentration of anthracene can be determined by thermal lens technique.讨论了热透镜技术对紫外光作用下能产生荧光的物质多环芳烃蒽的检测.The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their applicat...
我可能会买一件送给朋友当生日礼物，逗他开心。I might buy one for a friend's birthday as a giggle.他在丁格尔湾与海豚交流的时候特别开心。He was so happy communing with the dolphin in Dingle Bay.她奶奶有逗人开心的本事。Her grandmother had the gift of making people happy....
这暴露了以长久的环境破坏为代价换取短期工业利益的错误。It exposes the fallacy of short-term industrial gain at long-term environmental expense.人生的充分利用就是为争取比人生更长久的东西而度过一生。The great use of life is to spend it doing something that will outlast it. 他们经...
She looked very preoccupied.她看起来心事重重。He was too preoccupied with his own thoughts to notice anything wrong.他只顾想着心事，没注意到有什么不对。The question of going to the Mount Tai preoccupied his mind.去游泰山的问题盘踞在他心头....