除草剪刀；专门用于修剪缝隙角落里的青草。Grass shears are specially made to trim grass growing in awkward places.她从窗台上拿起一把剪刀。She picked up a pair of scissors from the windowsill.这把剪刀太沉了。These scissors are awfully heavy....
悬吊的屋顶下是一条宽阔的游廊。There is a wide veranda under the overhang of the roof.维多利亚式房屋屋顶高耸，房间布局凌乱，因此可能会显得较为阴冷。Victorian houses can seem cold with their lofty ceilings and rambling rooms.建造工人必须把新建房屋的屋顶固定得更牢靠些。Builders must fasten ...
我们可用反应式表示这种化学变化.This chemical change can be expressed by an equation.按照反应式生成烷基离子.Formation of an alkyl ion occurs according to reactions.这个化学反应的反应式是刚才所讨论的那个反应式的逆转.The equation for this chemical reaction is the reverse of...
用光电分光光度计能得到较佳结果.Photoelectric spectrophotometers give better result.研制出一种简易光导纤维分光光度计.A simple optical fiber reflectance spectrophotometer has been presented.应用分光光度计研究了细胞色素c氧化酶的稳态动力学.The steady - state kinetics of CCO was...