三叶期的英文怎么说

三叶期的英文：

trefoil stage

trefoil是什么意思：

n. 车轴草,三叶形

A black figure shaped like a trefoil or clover leaf on certain playing cards

梅花某些游戏纸牌上的一种黑色图案，类似三叶形或苜蓿叶形A third or Armenian type is seemingly represented by the head of a bearded man wearing a trefoil-decorated robe.

第三类或亚美尼亚人外观上以身披饰有三叶草长袍、满脸胡须的头部雕塑为代表。 A third or armenian type is seemingly represented by the head of a bearded man wearing a trefoil-decorated robe

第三类或亚美尼亚人外观上以身披饰有三叶草长袍、满脸胡须的头部雕塑为代表。stage是什么意思：

n. 阶段；舞台；演员的职业；事件发生地；站，架，层；上演

v. 上演；举行；展现；筹划

As the elapse of time, their feeling warms up stage by stage.

随着时间的推移，他们的感情逐步升温。stage well [Badly]

很[不]适于上演 She was mad about the stage.

她狂热地迷恋着舞台生活。This theatre has a revolving stage.

这家戏院的舞台是旋转式的。The novel is being arranged for the stage.