Truncus arteriosus
[医] 动脉干
🧩 词语组成解析
躯干, 干
adj. 动脉的
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
He learns Spanish every day.
他每天都学西班牙语。
It was beginning to get dark. I think we'd best stay the night here, I said.
天开始变黑。“我看我们最好在这里过夜，”我说，