riser是什么意思(riser的用法)
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一、riser是什么意思
1、riser 楼梯立板
2、来自 rise,立起,-er,表物。比喻用法。
二、riser的用法
1、riser (n.)
2、late 14c., "rebel," agent noun from rise (v.). Meaning "one who rises" (from bed, in a certain manner) is mid-15c. Meaning "upright part of a step" is from 1771.
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