单词	rollerball
释义	rollerball /ˈrəʊləbɔːl / noun 1 trademark A ballpoint pen using thinner ink than other ballpoints.Available in several shapes, sizes, finishes and tips (including rollerball, ballpoint and fountain), all of the pens are refillable and are guaranteed for life against mechanical failure due to faulty materials or workmanship.... It's 5pm, and I'm sitting at a picnic table on the rec field with a writing pad and an ink rollerball. Except for the fact that he carried a large messenger bag and preferred a rollerball pen to a quill, he would have fit the stereotype to the letter, had the general populace remembered what the stereotype was. 2 Computing An input device containing a ball which is moved with the fingers to control the cursor.As with keyboards, there are lots of mice, rollerballs, graphics and other types of input devices to suit every taste.... The sonar workstations with rollerball controls. This is a metal keyboard with a rollerball and click button.
随便看	eye-mindedness eye muscle eye music eye observation eye of the hurricane eye of the storm eye-opener eye-opening eye panel eyepatch eye pedicel eye peduncle eye pencil eyephone eyepiece eyepiece micrometer eye-pit eye plate eye-play eye-point eye-popping eye probe eyer needle-weaving needle whelk

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。