Cohan
科汉（爱尔兰人姓氏）
🗣️ 情景例句
you used to be in the construction business.
你过去在建筑界工作。
I'm the smallest boy in my party.
我是我的聚会中最廋小的男孩。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，