Optimum efficiency
[化] 最佳效率
🧩 词语组成解析
🗣️ 情景例句
I hate animals, they smell and they're noisy.
我讨厌动物，它们很臭而且很吵。
A bird may be known by its song.
什么鸟唱什么歌。
He say he'll write a letter soon. He hopes we are all Well.
他说他很快会写信的。他祝我们大家身体好。