Palaeoheterodonta
古异齿目
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
I'm going to show him how to speak Spanish.
我正要指点他如何讲西班牙语。
because the environment that determines our evolution is no longer essentially physical.
因为决定我们进化环境的主要方面已不再是物质。