extended

英 [?k'stend?d; ek-] 美[?k'st?nd?d]

TOEFL低頻詞

1. ex- "out" + tend- + -ed.
2. 含義：stretch out, lengthen.

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]

1. Parallel lines will never meet no matter how far extended.: 無論延伸多長，平行線永不相交。

2. Loans were extended to help pay the interest on the old ones.: 這些貸款延期償還以支付舊賬利息。

3. The training covers extended periods in obstetrics and gynaecology.: 該培訓(xùn)包括產(chǎn)科學(xué)和婦科學(xué)的增加課時。

4. The trough of low pressure extended over about 1000 kilometres.: 低壓槽延伸約1,000公里。

5. The range of tog values has been extended to 15 togs.: 托格值的范圍已經(jīng)擴大至15托格。