Macker
炭质页岩
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。