Gnathobdellida
颚蛭目
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
How long will you remain out?
你将会在外面逗留多久？
They have found that it is connected with the passage of days and the phases of the moon.
他们发现代码与昼夜更迭和月亮圆缺有关，