挑台的英文：
cantilever platform
n. 悬臂
Force-measuring elements employ either a cantilever beam or a column arrangement
测力元件采用悬臂梁或柱的形式。
The tube ABC shown is cantilevered with AB and BC in a horizontal plan.
所示的管ABC是由位于同一水平面内的AB和BC组成的悬臂。
Approximately one-third of the span from the pier may be erected by the free cantilever method
大约三分之一的跨长可以由一个桥墩起靠自由悬臂的方法向前架设。
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。
On the platform below, some travellers are trapped.
在下面的平台上有些被困住了的游客。
Does the local leave from this platform?
这辆慢车是从这个站台开出吗？