Tetraglycol
四甘醇, 三水缩四乙二醇
🗣️ 情景例句
Dear Mr. Lee.
亲爱的李先生。
We're all anxious to hear Mr. Jones'remarks.
我们都很急切地想倾听琼斯先生的讲话。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。