Retrocatheterism
[医] 逆行插管法
🗣️ 情景例句
Your show doesn't begin until eight thirty.
你的展览八点半才开始。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
Could you do me a big favor?
能否请你帮我个忙？