| 正面 | 3212.extension 英 [ɪk'stenʃ(ə)n; ek-]美 [ɪk'stɛnʃən]     |
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| 背面 |     释义： 1. ex- "out" + tens- + -ion.2. 含义：stretch out, lengthen.n. 延长；延期；扩大；伸展；电话分机 例句： 1. After a further four-month extension of her probation period, she was sacked.在又试用了4个月后，她被开除了。 extension 扩大，延长来自extend, 延长。 extension (n.)c. 1400, "swelling, bulging," from Latin extensionem/extentionem (nominative extensio/extentio) "a stretching out, extension," noun of action from past participle stem of extendere (see extend). In a concrete sense, "extended portion of something" (a railroad, etc.), from 1852. Telephone sense is from 1906." |