同根派生 low key相关词英汉例句He was never one to keep a low profile.他从不是一个低调的人。Low key lighting can create a very moody atmosphere and is often used to this effect.低调的照明可以创建一个非常穆迪的气氛和常用来这种效果。Moderation is the key to good health.有节制的生活是健康的关键。low key更多例句