n. a force that moves something along
n. the gradual departure from an intended course due to external influences (as a ship or plane)
n. a process of linguistic change over a period of time
n. a large mass of material that is heaped up by the wind or by water currents
n. 漂流物, 漂流, 动向
v. (使)漂流
1. The boat began to drift away from the shore.
小船开始漂离岸边。
2. I often drift off to sleep while reading.
我常常在阅读时不知不觉地入睡。
3. His thoughts started to drift as he listened to the lecture.
当他听讲座时，思绪开始漂移。