fours是什么意思？

fours

例句

• Little shop - girls went fluttering by in pairs and fours , chattering, laughing. 年轻的女店员三三两两蹦蹦跳跳从身边走过, 一边走一边说笑着.
• A baby crawls on all fours. 婴儿四肢着地爬行.
• She crawled on all fours over to the window. 她爬到窗边。
• Taylor hit 13 fours and batted for 140 minutes. 泰勒打了 13 个 4 分球，击球时间为 140 分钟。
• Give me four eights and two fours, please. 请给我四张8分邮票和两张4分邮票.