Operant
n. 发生作用之人或物, 工作之人或物\\na. 动作的
🗣️ 情景例句
But my birthday is tomorrow.
但是我的生日就在明天。
I got a beautiful new vanity set so that I can put on my make-up better.
我买了一套新的化妆品，能够更巧妙地化妆了。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。