ballast

🇺🇸 /ˈbæləst/ 🇬🇧 /ˈbæləst/
词频
难度
标签 TOP20000
noun
R

Heavy stuff put on a ship or in a hot-air balloon to make it steady and less likely to move around.

The crew loaded the ship with ballast to prevent it from tipping over in rough seas.

船员装载压舱物以防在恶劣海况下翻船。

R

Stones or other material laid down to make a strong base for roads, railways, or other structures.

Workers spread ballast over the area to stabilize the railway tracks.

工人在该地区铺设压舱物以稳定铁路轨道。

translation

n. 压舱物, 道砟

词形变化

Plural ballasts