那男孩用石子掷击小流氓的背脊.The boy gave the bully a pelt on the back with a pebble.男孩子喜欢在湖面上用石子打水漂.The boys liked to skip stones on the lake.他们也许是用石子来作计算的, 因“calculus ” 这个字原意是 “ 石子 ”.They may have used pebbles to calculate, for the ...
A similar piece of material, worn by incontinent adults.成人尿布''.'失禁'. ''成年人穿着的类似物品.His diseased bladder left him incontinent.病变的膀胱使他小便失禁。People often become incontinent when they get very old...
When violet is added to the medium blue a particularly striking, warm coloration is created.在中蓝色中加入蓝紫色就形成了一种格外鲜艳夺目的暖色。The main property changes occurring during dehydrochlorination are: hydrogen chloride evolution , colo...