We used sail power and turned the engine off to save our fuel.
我们关掉了发动机，用帆航行以节省燃料。
In order to start them, the engine crankshaft must be turned over.
为了启动发动机，曲轴必须先运转起来。
Us: I've turned off the engine, is that better?
我们：我现在把发动机关了，好点了吗？
Only refuel when the engine is turned off and cold.
务必在发动机关闭且冷却时添加燃油。
Only refuel when the engine is turned off and cold.
务必在发动机关闭且冷却时添加燃油。
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