Precession
n. 先行, 优先\\n[化] 进动; 旋进
📖 牛津释义
precession
n[U]
(also pre,cessionof the `equinoxes) gradual change in the angle at which the earth revolves daily, causing the equinoxes to occur slightly earlier in each successive year 岁差（地球自转角度的渐次变化, 使每年的春分点及秋分点比上年略为提前）.
🗣️ 情景例句
I've got to start thinking about college soon.
我很快也得开始考虑大学的事了。
How much is this meat per pound?
每磅肉要多少钱？
Do you want beef or lamb?
您要牛肉还是要羔羊肉？