ballast

发音

英 [ˈbæləst]word uk audio image

美 [ˈbæləst] word us audio image

  • n.
    压舱物,压载物
    道渣,碎石
    镇流器
    <比喻>沉着
  • vt.
    给某物装上压舱物
    给…铺道渣
    使稳定
    使沉着

单词词源

ballast 压舱物

bal, 词源同bare, 仅仅,字母l,r 音变。last, 古词义,重担。

双语例句

1. He said styrofoam ballast kept the debris afloat as it crossed the open sea .
他说,这块残骸穿越海洋时,聚苯乙烯泡沫塑料的压舱物使它漂浮在了水面上。
2. These tiny birds weigh around a kilogram and are shot up in lieu of ballast or in empty nooks and crannies on full-blown satellite launch missions .
这些皮卫星重量仅仅只有一公斤左右,在压舱物中、空闲角落及繁忙的卫星发射任务间隙可以迅速发射。
3. This means that teams with kers have less ballast to move around the car and hence have less freedom to vary their car 's weight distribution .
这就是说使用kers的车队使用了更少的压舱物来移动赛车,因此有较少的自由来改变他们的车的重量分配。
4. At sea , meanwhile , on any day it is estimated that around 3000 species of aquatic animals and plants are being carried around the world in ballast .
然而据估计,海路上每天都有约3000种水生动物和植物混在船只的压舱物中周游世界。
5. Then the sound of rumbling thunder reached the watchers on the shore , as cargo , ballast , ammunition and 400 people went sliding and crashing down to the port side of the steeply listing ship .
当物口、压舱物、弹药和400个人轰地一声滑向陡斜的左舷时,岸上的观众听到了雷鸣般的轰响。

更多: >如何使用 "ballast" 造句