Tetanin
破伤风菌毒素
🗣️ 情景例句
She's an easy-going teacher.
她是位随和的老师。
The shortest answer is doing.
最简短的回答就是做。
Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away.
那位警察对他说，那辆自行车是5天前在400英里外的一个小村里发现的，