Bivallate
a. 围有两层防护土墙的
🗣️ 情景例句
about our children's education.
对于我们孩子的教育。
It seems he's interested.
看起来他好像很有趣。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。