叶片的结构:叶的 表皮气孔�, 表皮气孔多。上表皮细胞排列紧密,故颜色深,下表皮细胞排列疏松,故颜色浅。 是水分散失的“门户”也是气体交换的 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseArmguard, Coven, Miniature horse, Angel food cake, Grocery store, Cruise ship, Marionette, Elf, Hunter, Sea cucumber, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #3381 DBZ by Adidtzu Ady


Amer Amimer
sketch #2813 Stan from South Park by Amer Amimer


anonymous
anonymous
sketch #3217


Chris Shrimp Lonsdale
sketch #342 Forest scene


anonymous
anonymous
sketch #5286 Adventure Time by Manu Kp


anonymous
anonymous
sketch #1833 Head shot - abz


anonymous
anonymous
sketch #3473 Finn by Luana Santos


anonymous
anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno


anonymous
anonymous
sketch #5070 The Rolling Stones by Roby Krdoso


anonymous
anonymous
sketch #5237 Gotye by Jhonatan Soares


anonymous
anonymous
sketch #5149 Daenerys Targaryen by Jorge Valero


anonymous
anonymous
sketch #4867 Johnny Depp Ronin Ronin


anonymous
anonymous
sketch #4386 Freddie Mercury by Павел Павлов


anonymous
anonymous
sketch #5193


anonymous
anonymous
sketch #3232


anonymous
anonymous
sketch #1724


anonymous
anonymous
sketch #1972 Boogaloo @Memphis


anonymous
anonymous
sketch #2856 Merry Christmas from Melany Campano Laos Komlós László


anonymous
anonymous
sketch #389


anonymous
anonymous
sketch #4918 Mike Wazowsky by George Andres Crowther Castillo


anonymous
anonymous
sketch #508


sketchmaster
sketch #2446 Joker by sketchmaster


anonymous
anonymous
sketch #5079 SketchToy Pencil by Sarah Prieto


anonymous
anonymous
sketch #4933 Tobi by Abdelwahab Haik


anonymous
anonymous
sketch #4916


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady


anonymous
anonymous
sketch #3420


anonymous
anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza

tomski叶片的结构:叶的 表皮气孔�, 表皮气孔多。上表皮细胞排列紧密,故颜色深,下表皮细胞排列疏松,故颜色浅。 coloring