captive balloon
captive balloon怎么读,什么意思。系留气球...
系留气球
字博缘文学网在线英汉词典
captive balloon的短语、例句:
captive balloon balloon held to the ground by a cable 系留气球(用绳索系在地面上的).
字博缘文学网在线英汉词典
captive balloon的短语、例句:
captive balloon balloon held to the ground by a cable 系留气球(用绳索系在地面上的).
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