岷江流域蠛蠓三新种 ( 双翅目: 蠓科 )THREE NEW SPECIES OF LASIOHELEA FROM MINJIANG RIVER BASIN, SICHUAN ( DIPTERA: CERATOPOGONIDAE )我国库蠓四新记录 ( 双翅目: 蠓科 )FOUR NEW RECORDS OF CULICOIDES FROM CHINA ( DIPTERA: CERATOPOGONIDAE )库蠓属的两个新种 ( 双翅目...
New Japanese cars averaged 13 km to the litre in 1981.1981年，新型的日产汽车平均每升汽油能跑13千米。John's taxes averaged out to about a fifth of his income.约翰缴付的税款平均达到他收入的五分之一左右.Our speed averaged out at 50 km an hour.我们的平均速度是每小时50公里....
...a life of secure monotony.单调乏味的安稳生活A night on the town may help to break the monotony of the week.进城住一晚或许有助于消除一周生活的单调。...the monotony of a heavily restricted diet...受到严格限制的饮食的单调The warmth of the room and the monotony ...
The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride...
桌上摆放着白色瓷器和镶着金边的银制餐具。Tables are set with white china and gold-banded silver cutlery.这些盘子和玻璃器皿都镶着金边。The plates and glassware were rimmed with gold.这些盘子都镶有富丽的金边.The plates were all edged with a rich border of gold....