Bifidum
双歧杆菌
🗣️ 情景例句
And I am a hard worker when I have something challenging to do.
并且在遇到挑战性的工作时，我是个很努力的人。
What is learned in the cradle lasts till the grave.
婴孩时期学到的东西，老死不会忘记。
Dan Robinson has been worried all week.
丹。鲁宾逊焦虑了整整一个星期。