Aperturing
孔径作用
🗣️ 情景例句
Everyone is goofing around.
人人都在混时间。
The weather is nice today.
今天天气很好。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。