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vt.搅混（液体），使烦恼，使不安，使生气...
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The machine is made from steel. It's vibration treated roil to reduce internal stress.本机械为钢板结构, 经振动时效消除内应力....
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roil的现在完成时为：roiled...
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roil的现在进行时为：roiling...
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roil的音标：roil的英式发音音标为：[rɔɪl]roil的美式发音音标为：[rɔɪl]...
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roil的第三人称单数（三单）为：roils...