envelop
英 [?n'vel?p; en-]
美[?n'v?l?p]
- vt. 包围；包封；遮盖
- n. 信封；包裹
TEM4TOEFL低频词扩展词汇
词态变化
第三人称单数:?envelops;过去式:?enveloped;过去分词:?enveloped;现在分词:?enveloping;名词:?envelopment;
中文词源
envelop 包住，围住
en-, 进入，使。-velop, 围，绕，词源同develop,wind.
英文词源
- envelop (v.)
- late 14c., envolupen, "be involved" (in sin, crime, etc.), from Old French envoleper "envelop, cover; fold up, wrap up" (10c., Modern French envelopper), from en- "in" (see en- (1)) + voloper "wrap up," which is of uncertain origin, perhaps Celtic (see Gamillscheg, Diez) or Germanic ("Century Dictionary"). Literal sense is from 1580s. Related: Enveloped; enveloping.
双语例句
- 1. 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.
来自辞典例句
- 2. 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.
来自常春藤生活英语杂志-2006年4月号
- 3. 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.
来自互联网
- 4. The papers are falling out of the envelop, push them back.
- 论文从封袋里掉出来了, 把它们放回原处.
来自互联网
- 5. All combine to form a layer of mist to envelop this region.
- 织成一层烟雾又笼罩着这个地区.
来自互联网