Operant
n. 发生作用之人或物, 工作之人或物\\na. 动作的
🗣️ 情景例句
I would like to make a suggestion.
我想提个建议。
Rain is falling.
外面在下雨。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。