occur

• 动词，用于表示某事发生或出现，也可以指某个想法出现在脑海中。

A verb used to indicate that something happens or takes place, or that an idea comes into one's mind.

1. B1formal

   To happen or take place, especially without being planned.

   发生

   • The accident occurred at the intersection.
   • When did the event occur?
   • Changes in weather occur frequently in this region.

   同义词arisecome abouthappentake placetranspire

2. B2formal

   To exist or be found in a particular place or situation.

   存在；出现

   • This species occurs only in tropical forests.
   • Errors occur in almost every system.
   • The mineral occurs naturally in the mountains.

   同义词appearariseemergeexistobtainprevailturn up

3. Come to mindB1formal

   To come into one's mind; to be thought of.

   想到

   • It never occurred to me to ask for help.
   • A brilliant idea occurred to her during the meeting.
   • Did it occur to you that he might be lying?

   同义词come to mindspring to mindstrike