Stearolic acid
[化] 硬脂炔酸; 9-十八炔酸; 9-十八碳炔酸\\n[医] 十八碳炔酸
🧩 词语组成解析
🗣️ 情景例句
Butter, nice and cold and hard.
牛油 新鲜又冷又硬。
It's a small world.
世界真小！
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。