Ultisol
n. (美国土壤分类学中的)老成土(高度风化和淋溶的一种黄色至红色的土壤)
🗣️ 情景例句
Are you being waited on?
您需要服务吗？
What's your trouble?
你有什么不舒服？
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。