Betabacterium
异型乳酸杆菌
🗣️ 情景例句
About the quality of 500 cartons of tin food we ordered last time.
是关于我们上次定购的500箱罐头食品的质量问题。
People are always changing, aren't they?
人总是在变，不是吗？
Which boy?
哪个男孩？