Choline
n. 胆碱\\n[化] 胆碱
🗣️ 情景例句
How was your flight?
旅途愉快吗？
To fall down
掉下
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,
因为卫生部门的大多数医生都超负荷工作，所以没有多少时间提出一些既费时而又不受人欢迎的忠告，如注意饮食、