They were playing dice.是什么意思？

They were playing dice.

他们在玩掷骰子游戏。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

playing

v. 演奏( play的现在分词 )，演出，参加比赛，捉弄；

例句
By his own admission, he is not playing well...
他自己承认表现欠佳。

dice

n. 骰子，掷骰游戏；v. 将…切成丁；

例句
Peel, stone and dice the mango.
将芒果削皮、去核、切丁。