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scratch-抓,刮,擦,刻划 screen -屏幕,荧幕 screw -螺丝 script -剧本,广播稿 seal-封条,图章 secondary -次要的,第二的 sector -扇形,部门,战区 secure -安全的,可靠的 segment-部份,断片 select -选择,挑选 selfish -自私的,利己的 semester -学期 semiconductor-半导
Unit 13 screen script seal secondary secure security segment segregate select senior sensation sensible sensitive sequence series session settlement severe shallow shave shed sheer shelter shield shift shiver shock shortage shortly shove shrewd shri
[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a
Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e
3Mini-Sub Youvereallydoneitnow,Annie!saidJack. Sorry,sorry.Butlookoutthewindow!Anniesaid.Look! Forgetit!Wehavetofigurethisout!Jackstaredatthecomputer. Hesawarowofpicturesatthetopofthescreen. Whatdidyoudo?heasked. IjustpressedtheONbutton,saidAnn
Byung: This is what Im talking about! Its time to upgrade to a big-screen TV and this is the perfect place to buy one. Nelly: They certainly have a large selection. These new TVs have pictures that are much sharper than our current one. Byung: Theres