Backpacks
n. (指登山者、步行者使用或背小孩时使用的)背包, (有轻金属框的)箱形背包( backpack的复数形式 )
🗣️ 情景例句
On a studect visa, full-time work is not permitted.
持学生签证的话,不允许做全职工作。
To operate a steam locomotive
驾驶蒸汽机车
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题,需要对大量生活在噪音中的人进行研究,
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