Rivinus's foramen
[医] 里维纳斯氏孔(鼓膜松弛部的小孔)
🧩 词语组成解析
n. 孔, 小孔, 胚孔\\n[医] 孔
🗣️ 情景例句
No problems. Here's your passport, and here's your money. Have a nice day, Mr. Lu.
没问题。这是您的护照，还有您的钱。祝您愉快，陆先生。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.
当他们从一个营地搬到另一个营地去的时候，他们就可以利用这些野马来运载货物。既然土著人会骑马了，猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。