Neomix
新霉素B硫酸盐
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
Do you build sand castles when you go to the beach?
你去沙滩的时候，堆沙丘城堡了吗？
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。