Lactobacillin
乳酸杆菌素
🗣️ 情景例句
She is devoted to her children.
她深爱她的孩子。
John is not forty-five yet,is he?
约翰不够45岁,是吗？
'It's all right,' she said, 'but isn't it upside down?'
是不错，她说到，但你不觉得有些混乱吗？