Penagar
含青霉素的５％琼脂溶液
🗣️ 情景例句
I'd like to give thanks for Grandpa coming to live with us.
我感谢爷爷到这儿和我们一起生活。
I'm Henry Lee. I am a system engineer for IBM.
我叫亨利.李，是IBM的一名系统工程师。
Of course. Good luck. Have a good trip.
一定。祝你好运。旅途愉快！