【单选题】tubeA．n.捆绑B．n. 管;电子管; v. 使成管状C．v.译码,解码D．博客站
【单选题】tube
A．n.捆绑
B．n. 管;电子管; v. 使成管状
C．v.译码,解码
D．博客站
参考答案和解析
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