adj. extensile ; protrusile ; exsertile
所述轨道组件包括一对可伸出的轨道、齿条、小齿轮以及限制单元。
The rail assembly includes a pair of extendable rails, a rack, pinions, and restricting units.
当我走到距离她几英尺远的时候，我伸出手去，想去碰她的肩膀，可马上就把手收回来了。
When I got a couple of feet from her, I reached out my hand to touch her shoulder, then immediately pulled it back.
这条蛇的舌头可伸出很长。
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