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1.publication n.发表
The statement was carefully scrutinized before publication.
声明在发表前经过仔细审查。
2.drone n.无人机
In Japan farmers commonly use drones to spray crops.
在日本，农民广泛使用无人机来为庄稼进行喷洒作业。
3.Remote adj.遥远的
Many folk-tales have come down from a very remote past.
许多民间故事是从遥远的过去流传下来的。
4.policies n.政策
These policies have resulted in great gains in public health.
这些政策使公共卫生得到极大改进。
5.The FAA's new rules are the latest in a series of policies about drone use for deliveries.
a series of 一系列的
A series of five interviews will be spread over two days.
一共五次面谈，分两天进行。
He became entangled in a series of conflicts with the management.
他卷入了与管理层的一系列冲突之中。
6.The rules also come at a time when drones represent the fastest-growing area in the transportation sector.
come at a time 在...之际出现
The revisions come at a time when green marketing is on the rise.
这个修订是在绿色市场兴起时出现的。
Career-wise, this illness couldn't have come at a worse time.
考虑到事业，这场病来得最不是时候。
