Risic acid
[化] 日斯酸
🧩 词语组成解析
🗣️ 情景例句
No pain, no gain.
只有付出，才有收获！（不劳则无获！）
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
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。