Ostium venosum
[医] [房室]静脉口
🧩 词语组成解析
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
When are you going camping again?
你什么时候再去露营？
How much ham did you want to buy?
你要买多少火腿？
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。