单词	prototype grating
释义	prototype grating 母光栅
随便看	backing store backing stores backing strap backing-strip backing strip backing strip (light) backing support backing tape backing test backing texture backing track backing turbine backing up backing-up backingup backing up of sewage backing up recordings backing-up roll backing-ups backing-up screw backing vacuum backing vacuum pump backing vessel backing weld backing welding 脸皮儿薄脸皮厚脸皮厚不捱饿脸皮厚，功效奏脸皮厚，吃个够；脸皮薄，摸不着脸皮壮，吃得胖脸皮薄脸皮薄，吃不着；脸皮厚，吃个够脸盆里扎猛子，不知深浅脸红脖子粗国土交通省国土庁国境国境国士国外国威国字国学国守