Dipel
苏云金杆菌
🗣️ 情景例句
If we cancelled third world debt, perhaps those countries could start to rebuild.
如果我们取消第三世界债务，也许那些国家就会开始重建。
This is not an occasion for laguhter.
现在不是该笑的时候。
With some children, small sums go a long way.
对于有些孩子来说，少量的钱可以花很长一段时间。