Libris
图书馆情报系统
🗣️ 情景例句
and make sure that it is in good condition
确定它状 良好
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
We can read of things that happened 5,000 years ago in the Near East,
我们从书籍中可读到5，000 年前近东发生的事情，