Danks
煤页岩, 黑色碳质页岩
🗣️ 情景例句
Can I give you a ride home?
我能送你回家吗？
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
We'd better not just talk; let's go to the river to bathe.
我们最好别光顾说了；咱们去河里游泳吧。