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extremal arc
[计] 极值弧
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wrongdoing n. 坏事;不道德的行为
Pittsburgh n. 匹兹堡(美国一座城市)
Beatty n. (Beatty)人名;(法)贝亚蒂;(英)贝蒂 比蒂
lil adj. <口>小的
wring vt. 拧;绞;紧握;使痛苦;折磨 vi. 蠕动;扭动;感到痛苦;感到苦恼 n. 拧;绞;挤;扭动
sacrificed 牺牲,献出( sacrifice的过去式和过去分词 )
irrelevantly adv. 不相干地,不切题地;不合适地
nonchalantly adv. 冷淡地,漠不关心地
whispering n. 低语;流言;飒飒声 adj. 传播流言蜚语的;发飒飒声的(等于whispery)
Briton n. 英国人;大不列颠人
decommissioned v. 使退役(decommission的过去式) adj. 退役的
Balkan adj. 巴尔干半岛的
McClean [人名] [苏格兰人、爱尔兰人姓氏] 麦克林 McLean的变体
daisylike a. daisy的变形
NG abbr. 窄轨距(Narrow Gauge) n. (Ng)人名;(柬)额
stewardship n. 管理工作;管事人的职位及职责
juan n. 胡安(男子名)
carmina n. (Carmina)人名;(意)卡尔米纳;(西、葡)卡米纳
blackwood n. 黑檀
echoing n. 回音;反照现象;呼应
考试词汇表
petrolatum, vaseline
petroleum densimeter
petroleum derivative
petroleum dermatitis
petroleum dispersant
petroleum distillate
petroleum drill pipe
petroleum excise tax
petroleum extraction
petroleum geologists
petroleum geophysics
petroleum hydrometer
petroleum jelly seal
petroleum locomotive
petroleum oil column
petroleum operations
petroleum pitch coke
petroleum processing
petroleum production
petroleum refineries