Bitumenite
[地质]藻烛煤
🗣️ 情景例句
When you have a business meeting in the United States, come to the appointment on time.
当你在美国有商务会晤时，一定要按时赴约。
That's a tough question to answer.
那是一个很难回答的问题。
The Turners are going on a train. The conductor is coming round.
特纳一家人在火车上。列车员走过来。