Foramen ovale
第二中隔孔, 卵圆孔
🧩 词语组成解析
n. 孔, 小孔, 胚孔\\n[医] 孔
[医]卵圆的
🗣️ 情景例句
Doesn't show.
看不出来。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。