instructor英语解释.还有take care 、backpack、calculator、英语解释【就是英语字典里的对于单词的那种英语解释.

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instructor英语解释.
还有take care 、backpack、calculator、英语解释【就是英语字典里的对于单词的那种英语解释.

instructor a person whose occupation is teaching
take care be careful,prudent,or watchful
calculator a small machine that is used for mathematical calculations

教练,指导员,
照顾,
双肩背包
计算器,