🧩 词语组成解析
a. 聚乙烯基的
n. 甲醛\\n[化] 甲醛
🗣️ 情景例句
Chileren should learn about the great accomplishments of their nation.
孩子们应该了解自己国家的伟大成就。
I stayed up until 2:00 in the morning.
我熬夜直到凌晨2点。
While my friend, George, was reading in bed, two thieves climbed into his kitchen.
当我的朋友乔治在床上看书时，两个小偷爬进了他的厨房。