Pericenter
近心点; 近中心点
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
Those goods are available in strong wooden drums of 1,2,5,10 and 20 litres.
这些货物分别装入1、2、5、10、20升的木桶里。
As there were strange marks on the X-ray plates taken of the mummy, doctors have been trying to find out whether the woman died of a rare disease.
由于在给这个木乃伊拍摄的X光片子上有点奇怪的斑点，所以，医生们一直试图搞清这位妇女是否死于一种罕见的疾病。