Agnatha
n. 无颚类脊椎动物
🗣️ 情景例句
It can't go wrong.
不会有问题的。
This is not an occasion for laguhter.
现在不是该笑的时候。
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。