英
['trækbɔːl]
美
['trækbɔːl]
new
trackball的英文翻译是什么意思,词典释义与在线翻译:
英英释义
Noun:
-
an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen;
"a trackball is essentially an upside-down mouse"
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