Ostiolum medioplexus
[医] 蛙肺吸虫
🧩 词语组成解析
孔口
🗣️ 情景例句
about five years ago.
大约五年前。
Without a friend,the world is wilderness.
没有朋友，世界成了荒野。
Then the teacher says, Stop and put your hands in front of you now.
“现在停止，并把手放在面前。”