Saros
[天]沙罗周期(计18年又11.5天, 为日蚀和月蚀关系的反复周期)
🗣️ 情景例句
Yes, I'm sure I can.
是的，当然可以。
If he had only had enough money,he would have bought that house.
如果他仅仅有了足够的钱，他就会买那房子。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。