Descending aorta
降主動脈
?? 詞語組成解析
a. 下降的, 下行的\\n[計] 遞減
aorta
[ei'?:t?]
n. 主動脈;
??? 情景例句
We have already conceded, it's in your hands now.
我已經(jīng)做出讓步，現(xiàn)在決定權(quán)在你手中。
Let's give him a big hand.
讓我們熱烈鼓掌。
Excuse me! Is this your bike?
打擾一下。這是你的自行車嗎？