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
Could you knead the dough for me?
你能帮我揉面吗？
The doctor advised me to get plenty of exercise.
医生劝我要多运动。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。