Operant
n. 发生作用之人或物, 工作之人或物\\na. 动作的
🗣️ 情景例句
Oh, Pete, Pete!
噢 Pete Pete
He must have been an outstanding student.
他一定是个优秀学生。
examined a very large number of men working on aircraft carriers:
调查了许多在航空母舰上工作的人，