turn off
PHRASAL VERB 关上;关掉;截断,切断(…的供应)
When you turn off a piece of equipment or a supply of something, you stop heat, sound, or water being produced by adjusting the controls.
turn out
PHRASAL VERB 关掉,熄灭(电灯、煤气等)
When you turn out something such as a light or gas, you move the switch or knob that controls it so that it stops giving out light or heat.