Septibranchiata
隔鳃目
🗣️ 情景例句
How come you're not studying?
你为什么不学习？
The comet will appear in the southern sky.
彗星出现在南方的天空。
'Oh, that,' he said with a smile as if he were talking about an old friend.
“噢，是它呀！他笑着说道，俨然在谈论一位老朋友。