Ccoc
abbr. Command Control Operation Center (USA) 指挥控制操作中心
🗣️ 情景例句
Thank you.
谢谢。
Button holes are very hard to sew.
要缝钮扣洞非常难。
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。