Behind the car came a motley string of figures--street Arabs, beggars, clowns turning somersaults and costermongers hawking their wares. (E. Voynich, The Gadfly , part II, ch. V)

那辆马车后面跟着一大群各色各样的人物——流浪儿、乞丐、一路翻着筋斗的小丑以及叫卖的小贩。

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The atmospheric concentration of methyl chloride (CH 3Cl) is very low, only at 10 -12 (V/V) level.

氯甲烷在大气中的浓度较低，仅为10 -12 级别。

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By pursuing such initiatives while developing the full sales potential of existing product lines like the V-22 Osprey and CH-47 Chinook rotorcraft, Boeing may be able to grow military earnings even as defense demand softens in the years ahead.

FORBES: Boeing's Defense Turnaround