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1. 非常，很，高度地
   They are highly skilled workers.

   他们是技术很好的工人。

   Dogs have a highly developed sense of smell.

   狗有着高度发达的嗅觉。

2. （地位、等级、评价等）高
   He speaks very highly of you.

   他对你评价很高。

3. 高价地，高额地
   He is highly paid.

   他薪水优厚。

adv.

1. to a high degree or level.
2. favourably.