From Old French dozaine (“a group of twelve”) (French douzaine), from doze (“twelve”) + -aine (“-ish”), from Latin duodecim (“twelve”) (from duo (“two”) + decem (“ten”)) + -ana (“-ish”) From zhihu.com
当然支架的作用不仅仅是为了好看,Twelve South Curve Flex采用了双滚轴联动,支持2英寸到12英寸的范围调节,这点是相当实用的,如果没有升降桌的情况下,长期一种姿势办公容易累,那么在可以调节的角度情况下,而这种角度也符合人体工程学设计,我可以调节 ... From zhihu.com
先看一下K12的官方解释:K12是kindergarten through twelfth grade的简写,是指从(K-Kindergarten,通常5-6岁)到十二年级(12-Grade Twelve,通常17-18岁),这两个年级是美国、澳大利亚、英国和加拿大的免费教育的头尾两个年级。 K12是国际上对基础教育的统称。 通俗讲,在中国,K12教育是指年龄在6-18岁,小学一 ... From zhihu.com
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