登台的英文：
mount a platform; go upon the stage

参考例句：

His first appearance on stage was at the age of three.
他三岁时初次登台.

She made a successful debut.
她初次登台获得成功。

This was the first time she appeared on the stage.
这是她第一次登台。

His first appearance on stage was at the age of three
他叁岁时初次登台.

The actress made her debut in the new comedy.
这位演员在那出新喜剧中首次登台演出。

That same year he made his Broadway debut,playing a suave radio journalist(Edward Hudson.
在那同一年里，他初次在百老汇登台，扮演一个温文而雅的之声记者(爱德华·赫德森)。

He talked a lot of nonsense when he stepped onto the platform.
他一登台就大放厥词。

She was a bit queasy at her first appearance on the stage.
她初次登台感到有点不安。

Customers who feel inspired by their surroundings can also mount the stage for a guest performance.
客人如有兴趣，亦可登台客串。

I always get the jitters before I go on stage
我登台之前总是感到紧张

mount是什么意思：
v. 爬上；骑上；安装；镶嵌；准备上演，举办；组织，发起；增加；加剧；上升
n. 坐骑；底座；山

mount a theater production; mount an attack'; mount a play.
上演戏剧作品；上演一次攻击；上演一部剧本。

Is it theresilient base mount type?
这就是弹性底座安装式 ？

the diamond was in a plain gold mount.
这个钻石嵌在一个金底板上。

platform是什么意思：
n. 平台；讲台，舞台；月台，站台；纲领，政纲

Beyond the platform there was more enchantment.
在平台外面还有更迷人的东西呢。

The platform swayed and then foundered.
月台晃动着塌陷了。

A train plowed into the barrier at the end of the platform.
火车撞上了月台尽头的栅栏。

upon是什么意思：
prep. 在...上；紧接着；逼近；根据；走上...；爬上...

He stepped upon the alter.
他走上圣坛。

To bear hard upon;press.
使痛苦不堪对某人施加困难；逼迫

press hard upon
进逼|压迫|穷追