Dehydroacetic acid
[化] 保果鲜; 甲基乙酰吡喃二酮; α,r-二乙酰基乙酰乙酸; (俗称)脱氢醋酸
🧩 词语组成解析
🗣️ 情景例句
and having lunch with you today.
与你一起吃中餐。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
Half an hour later, another man struck a match for a cigarette and this time the whole of the inside of the ship caught fire.
半小时后，又一个工人擦亮火柴想点支香烟，这下整个船舱都起了火。