Polyacetals
聚缩醛(树脂)
🗣️ 情景例句
My career as a fashion designer
时装设计事业
This is a poem about frontier life in the United States.
这是关于在美国的边疆生活的一首诗。
Then, squinting his eyes, he said:
接着，他斜着眼，说：