Planariidae
真涡虫科
🗣️ 情景例句
That's beautiful!
太完美了，真棒！
In every rank, great or small, 'Tis industry supports us all.
不论高的低的各级人士，所持的都是勤劳。
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。