Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
I'll bicycle down to the village and get them.
我骑脚踏车去镇上拿。
This nation is noted for its economic stability.
这个国家以经济稳定闻名。
she rang up her daughter and asked for her help in what she described as a little spot of bother.
她只得打电话向女儿求援，说她碰到了一点儿小麻烦。