| 单词 | ballpoint pen |
| 释义 | ballpoint pen[ bawl-point pen ] / ˈbɔlˌpɔɪnt ˈpɛn / nouna pen in which the point is a fine ball bearing that rotates against a supply of semisolid ink in a cartridge, thus rolling the ink onto paper. Also called ball·point . Origin of ballpoint penFirst recorded in 1945–50; ball1 + point Words nearby ballpoint penballpark, ballpark figure, ball-peen hammer, ballplayer, ballpoint, ballpoint pen, ball race, ballroom, ballroom dance, ballroom dancing, balls Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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