Brownian
a. 苏格兰的植物学家Robert Brown 的
🗣️ 情景例句
If anyone has any objections, now is the time to voice them.
如果有人反对，现在就可以说出来。
Look over to the southeast and you can see the con stellation of Orion.
眺望东南方向，你就可以看到猎户星座。
Thank you.
谢谢。