He dismounted from the motorcycle.
他下摩托车。
The police officer dismounted from his horse(或horseback).
警官下了马。
The soldiers dismounted a gun from the guncarriage.
战士们从炮车上卸下大炮。
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。