Cholatelin
[化] 胆特录; 桃红胆色素
🗣️ 情景例句
is tomorrow morning at ten o'clock.
明天早上十点。
I have come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。