| 单词 | ballast bag |
| 释义 | > as lemmasballast bag ballast bag n. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > ballast ballast bag1747 ballast1784 sandbag1834 water balance1902 1747 S. Richardson Clarissa IV. 7 A woman's pockets are half as deep as she is high. Ty'd round them as ballast bags, I presume, lest the wind..should blow away the gypsies. 1884 Science 8 Feb. 154/1 The inflation of the balloon..was expedited by means of the equatorial ropes hanging at the right and left of the balloon, and to which were attached the ballast-bags. 1890 A. Giberne Ocean of Air xvii. 151 At 23,000 feet, Mr. Coxwell,..examining his ballast-bags, decided that we must..descend. 1951 Mil. Affairs 15 208/1 Detailed photographs of balloon gas cells and ballast bags made at the Goodyear plant. 2005 Akron (Ohio) Beacon Jrnl. (Nexis) 13 Dec. d1 Many of the thousands of pounds of ballast bags that had ringed the blimp were gone. < as lemmas |
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