Boundstone
黏结灰岩
🗣️ 情景例句
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。
He often plays golf.
他常常去打高尔夫球。
Education is one of the key words of our time.
教育是我们这个时代的关键词之一。