Stratotype
层型
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
A hen is on her eggs.
母鸡蹲在它的蛋上。
They will be trying to keep order.
他们将设法维持秩序。