记忆方法
1. ex- "out" + tend- + -ed.
2. 含义：stretch out, lengthen.
2. 含义：stretch out, lengthen.
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词族 · extended
派生词
英语词源
- extended (adj.)
- mid-15c., "occupying time, made longer," past participle adjective from extend (v.). Meaning "stretched out" in space is from 1550s; extended-play (adj.), in reference to recordings (especially 7-inch, 45 rpm vinyl records) is from 1953; in reference to pinball games by 1943. Extended family (n.) in sociology recorded from 1942.
A challenging question was asked RCA engineers and scientists in 1951. How can we increase the playing time of a 7-inch record, without using a larger disc? Sixteen months of research gave the answer, "45 EP"--Extended Play. [Radio Corporation of America magazine advertisement, May 1953]
权威例句
- 1. Parallel lines will never meet no matter how far extended.
- 无论延伸多长，平行线永不相交。
- 2. Loans were extended to help pay the interest on the old ones.
- 这些贷款延期偿还以支付旧账利息。
- 3. The training covers extended periods in obstetrics and gynaecology.
- 该培训包括产科学和妇科学的增加课时。
- 4. The trough of low pressure extended over about 1000 kilometres.
- 低压槽延伸约1,000公里。
- 5. The range of tog values has been extended to 15 togs.
- 托格值的范围已经扩大至15托格。