drift take off起飞偏移
drift-off不发生漂移;渐渐入睡
Drift-off Curve零漂曲线
drift-off moment漂移时刻
automatic drift kick off system自动消除偏流修正角系统
drift off the R偏离跑道
drift kick-off消除偏流修正角
drift off to sleep逐渐进入梦乡
drift off track越轨
PHRASAL VERB（动词词组） If you drift off to sleep, you gradually fall asleep. 慢慢地睡去
It was only when he finally drifted off to sleep that the headaches eased.
当他最终慢慢睡着时，头疼才减轻了。