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.
Hundreds of office buildings and homes developed large cracks in walls and ceilings.数百栋写字楼和住宅楼的墙壁和天花板上都出现了裂缝。...large fans hanging from ceilings...吊挂在天花板上的大风扇The walls and ceilings of contemporary auditoriums usually con...
嘲笑声的背后潜伏着一种越来越强烈的不安。Behind the mocking laughter lurks a growing sense of unease.心头涌起一阵强烈的感情，模糊了他的判断力。A tide of emotion rose and clouded his judgement.强烈的敌对和紧张气氛依然笼罩着这座城市。There's still an atmosphere of great hostilit...
A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。They painted the underside of their planes with a black varnish.他们在飞机的底部涂上了一层黑漆.The underside of the rock was covered with seaweed.岩石的下面布满了海草....
...numerous clumps of stinging nettles dotted across the meadow.数不清的一簇簇扎人的荨麻遍布整片草地。His cheeks were stinging from the icy wind...刺骨的寒风吹得他脸颊生疼。The stinging slap almost caught his face...那狠狠的一巴掌差点搧在他脸上。A stinging slap acros...
我愿在田里锄地.I'd like to hoe in the field.拔草和锄地时尽量不要踩到花坛。Try not to walk on the flower beds when weeding or hoeing.今天他在葡萄园里锄地。Today he was hoeing in the vineyard....
The implications for this country are self-evident.对该国的影响显而易见。The dangers of such action are self-evident.这样的行动，其危险是明摆着的。These truths were by no means self - evident when Galileo first suggested them.伽里略首次提出这些真理时决非显而易见....
...dealing with emerging sexuality in an adult way.平静对待出现的性征...a bundle of letters which had arrived for me in my absence...我不在期间寄给我的一大堆信件He sat in an adjacent room and waited...他坐在隔壁房间里等候。I first made his acquaintance i...
他们不得不在农场商店以高价购买所有东西。They had to buy everything at inflated prices at the ranch store.哥伦比亚唱片公司最近以3,000万美元的高价再次签下这个乐队。Columbia recently resigned the band for a cool $30 million.他最后以高价把股票回售给银行。He eventually sold the shares ...