Ostium frontale
[医] 额窦口
🧩 词语组成解析
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
Do you mind if I pay in RMB?
你们介意我付人民币吗？
Experience is the best teacher.
经验是良师。
I was doing eighty when I overtook you.
我是以第小时80英里的速度赶上你的。