sharpen的现在完成时怎么写？

sharpen的现在进行时为：sharpening...

sharpen的音标：sharpen的英式发音音标为：['ʃɑ:pən]sharpen的美式发音音标为：['ʃɑrpən]...

sharpen的第三人称单数（三单）为：sharpens...

sharpen的一般过去时为：sharpened...

sharpen的近义词/同义词有：tip, strop, taper, keen, grind, on, hone, put, edge, point, file, make, whet, an, inspire。v.sharpen的近义词（磨,磨快,磨尖,使锋利）：tip, strop, taper, keen, grind, on, hone, put, edge, point, file, make, whet, an。sharp...

vt.& vi.使锐利，使敏捷，加重，削尖vi.尖锐，变锋利...

Ginny tried to sharpen up some rusty typing skills.金尼试图重拾生疏了的打字技术。She needs to sharpen up before next month's competition.下个月比赛之前,她的水平需要提高一下.The training is designed to sharpen the fighter's reflexes.这项训练是为了加快作...

Ms Rice is keen not to sharpen tensions ( ship - boardings will apparently be few ).赖斯女士不想加剧紧张局势 ( 很明显,船只运送的货物将会很少 ).Ginny tried to sharpen up some rusty typing skills.金尼试图重拾生疏了的打字技术。This exercise will help students shar...