Precollagen
[化] 前膠原\\n[醫] 前膠原, 原成膠
??? 情景例句
when the dog scratched on the front door.
當那狗在抓前門時。
Have you got your cheque book with you?
您支票本帶來了沒有？
He read many books and paused in his work at six every evening for prayers, even when he was with other world leaders.
他閱讀很多的書，每天傍晚六點鐘，他就要暫時停下工作去做祈禱，甚至與世界上別的領袖在一起時也這樣。