ballast

压舱物、压载物

The crew added sand as ballast to keep the boat steady.

船员加了沙子当压舱物，让船身保持平稳。

道碴、碎石路基

Workers spread fresh ballast along the new railway track.

工人沿著新铺的铁轨撒上新的道碴。

安定器电学

The flickering light stopped after we replaced the ballast.

换掉安定器之后，灯就不再闪了。

稳定力量、定心力比喻

Her calm advice was the ballast our whole team needed.

她冷静的建议正是整个团队需要的稳定力量。

为…装压舱物、压载

They ballasted the ship with water before leaving port.

他们在出港前为船灌水压载。