keying

动词 key:

1. identify as in botany or biology, for example
   同义词：identify, discover, key, key out, distinguish, describe, name
2. provide with a key
   同义词：key
3. vandalize a car by scratching the sides with a key
   同义词：key
4. regulate the musical pitch of
   同义词：key
5. harmonize with or adjust to
   同义词：key

1. I dropped my key somewhere about here.
   我把钥匙掉在这附近某个地方了。
2. A stroke of a key, as on a word processor.
   按键(如在文字处理机上)按一下键