Bilidien
胆汁二烯, 二烯胆色素核
🗣️ 情景例句
I chose to continue with my career as a music teacher.
我选择继续我的音乐教师的事业。
I worked in the garden last night.
我昨晚在花园工作。
Have you seen our new packing specifications?
你看过我们新的包装指示了没有？