不倒翁有两种, 一种为水钙铝榴石玉, 另一种为玉髓蛋白石玉.Budaoweng has two kinds, one is hydrogrossular, the other is chalcedony opal.一种略微透明的绿色玉髓,用作宝石.A light green or light grayish - green variety of translucent chalcedony.最近我们鉴定到一些新的模仿品,其折射率及比重非...
Discuss the metamerism of annelids and its advantages briefly.浅谈环节动物身体的分节现象及其优点.Metamerism ink is a new type, a unique function envirogluvtm anti - false.同色异谱油墨是一栽陈型的 、 具有不入格防伪功用的油墨.If you altered your lighting condition...
Aerate the soil by spiking with a fork.用耙刨地使土壤透气。The potatoes were set outside to aerate.马铃薯放到外面通风.To aerate or oxygenate ( blood ).提供氧气向血液供氧或加氧于 ( 血 )...
He was once an engraver in a printing factory.他以前是印刷厂的一名刻工.He was a sketcher and a copper - plate engraver .他也是杰出的素描家和 铜版画 家.William Hogarth, English painter and engraver, died in London and was buried in Chiswick church...