He has abstracted the speech.他对讲话作了摘要.He is abstracted by a bird outside the classroom.他的注意力溜到教室外的小鸟身上。Iron is abstracted from ore.铁是从矿石中提炼出来的.The author has abstracted poems from earlier books.作者从以前的书中摘取了一些诗作。The bulla ...
The bed of old people adds thick mattress with hard mattess or hard bedplate had better.老年人的床以硬床垫或硬床板加厚褥子为好.He pats bedplate, bite sound to stop namely, but differ meeting is bitten again rise.他一拍床板, 咬声即停, 但不一会又咬起来....
It is soluble in water and glycerine and slightly soluble in ethanol.溶于水和甘油,微溶于乙醇.The content of diffusible hydrogen in welded metal was determined according to the Glycerine method.按照甘油法测定焊缝金属扩散氢的含量.The soap contains a ...