Idsa
abbr. intravenous digital subtraction angiography 静脉内数字减影血管造影术
🗣️ 情景例句
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.
这些教堂吸引大量游客，不仅是因为建筑风格奇特，而且还有大量保存完好的壁画。