- 释义：
- v. 围绕，裹住
- 构词：
- en使……+velop包,包裹→包封, 遮盖
- 例句：
-
Thomas crumpled the empty envelop and tossed it accurately into the wastebasket.
托马斯把空信封捏成一团,随手很准确地扔在废纸篓里.
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They pushed the envelop of pop music and became the biggest band of the 20 th century.
他们不断革新流行乐界,因而成为20世纪最伟大的乐团.
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Which include envelop generator, low - freq oscillator, envelop control, manual control, etc.
这些手段是包络发生器 、 低频振荡器 、 包络控制 、 手动控制等.
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