Heavy sleeper
01
沉睡者, 熟睡的人
someone who sleeps very deeply and is not easily awakened by noise or disturbances
例子
They live next to a busy street, but their kids are heavy sleepers, so it does n't bother them.
他们住在一条繁忙的街道旁边，但他们的孩子是睡得很沉的人，所以这不会打扰他们。
