英语词汇“trackball”的读音、翻译、释义、用法及例句-语文网

词汇	trackball
释义	trackball 追踪球嵌在萤幕式终端机控制键盘上的球状控制器，可由操作员旋转，控制萤幕亮点的移动。
随便看	by night by no means by number BYO BYOB by oneself bypass bypass bypass procedure bypass surgery bypast bypath by-play byplay by-product by-product byproduct by profession byre by reason of by request by right of by rights byroad Byron

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