Thfa
[化] 四氢叶酸
🗣️ 情景例句
I'm afraid I'm awfully late.
我实在太迟了。
They that (or who) live longest see most.
活得最长，见识最广。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。