enclosed lifeboat围闭救生艇
inflatable lifeboat充气式救生艇;气胀式救生艇;气胀救生艇
metallic lifeboat金属救生艇
lifeboat equipment救生艇装备
pontoon lifeboat浮箱式救生艇
lifeboat accident救生艇事故
pulling lifeboat划桨救生艇
unsinkable lifeboat不沉救生艇
N-COUNT（可数名词） A lifeboat is a medium-sized boat that is sent out from a port or harbour in order to rescue people who are in danger at sea. 救生船
N-COUNT（可数名词） A lifeboat is a small boat that is carried on a ship, which people on the ship use to escape when the ship is in danger of sinking. 救生艇
The captain ordered all passengers and crew into lifeboats.
船长命令所有的乘客和船员上救生艇。