单词	specializing in
释义	specializing in 专门从事
随便看	air-flights air float air floatation classifier air floatation correction coefficient air floatation table airfloat clay air float conveyer air floated air-floated head air floated magnetic head air-floated magnetic head air-floated powder air floated powder air floating head air-float separator air-float table air flora air flotation air-flow air flow airflow airflow breakaway airflow classification air flow control air flow controller 须知一样明须知此意无今昔须知此景须知胡骑纷纷在须知道须知风化首须空白须臾主父乘奔至须臾变化须臾四面火光来肥土肥地肥壮肥大肥头大耳肥头子儿肥嫩肥实肥差肥己