Q: lifeboats are bobbing all around とはどういう意味ですか?
A: Can you share the context?

"bobbing" simply means to move up and down, in this case, due to the waves.


Q: lifeboat と life raft はどう違いますか?
A: A lifeboat has a specific "boat" shape, like a long rectangle with a pointed front. It has the same shape as a rowboat or skiff. A life boat may have oars or a motor.

A life raft is shaped like a circle or large square. It can hold more people than a lifeboat because of the different shape. It may have oars, but usually has nothing to help it move. If you are on a liferaft, you usually have to wait for rescue.
Q: lifeboat と rescue boat はどう違いますか?
A: Lifeboats are carried onboard a boat or ship for emergency use, and are launched from the ship. Rescue boats are launched from an onshore rescue station when an emergency call is received; they put to sea from the shore. Lifeboats launch from a marine vessel in distress; rescue boats are sent out from land.
Q: I'm in lifeboat. と I'm on lifeboat. はどう違いますか?
A: I'm in/on a lifeboat mean the same thing as it is very hard to be on a boat and not also in it.


Q: Our lifeboat are on the water. この表現は自然ですか?
A: Our lifeboat is on the water
Q: Did you ride on the lifeboat yesterday? この表現は自然ですか?