sandboxn.
英 'sæn(d)bɒks | 美 'sændbɑks
中文n. 沙箱；沙盒
词根词源
sandbox (n.)also sand-box, 1570s as an instrument to sprinkle sand, from sand (n.) + box (n.1). From 1680s as "a box holding sand;" 1891 as a low-sided sand pit for children\\'s play.
关键词