Penta-acetyl
[医] 五乙酰基
🧩 词语组成解析
[美口]五角大楼, 美国国防部
n. 乙酰(基)\\n[化] 乙酰; 乙酰基
🗣️ 情景例句
She always talks to me as though she were my sister.
她总是以我妹妹的口气跟我说话。
I'll do something about it.
我会想办法的。
There are lots of huge buildings in Beijing.
在北京有许多高大的建筑物。