Operant
n. 发生作用之人或物, 工作之人或物\\na. 动作的
🗣️ 情景例句
There's a big market today in wedding dresses.
结婚礼服在目前有很大的市场。
Don't make any mistakes.
别出差错。
Whatever the source of noise, one thing is certain: silence, it seems, has become a golden memory.
看来寂静已变成一种珍贵的回忆。