Biopalina
核糖霉素
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
She envied John for this success.
她娘娘约翰的成功。
Then the Class 2 runner dropped his stick on the ground when he was passing it on to the fourth runner.
忽然2班的运动员在传棒给第四个运动员时，把棒弄掉到了地上。