Definition: If two people drift apart, they gradually become less friendly and the relationship ends. Level: C2
他们在学校时是最好的朋友，但毕业后就疏远了。
They were best friends in school, but after graduation, they ___drifted ___apart.
随着时间的推移，他们的兴趣改变了，开始疏远。
Over time, their interests changed and they began to ___drift ___apart.
没有定期沟通，即使是亲密的朋友也可能疏远。
Without regular communication, even close friends can ___drift ___apart.
