Polymethylene
n. [化]聚亚甲基
🗣️ 情景例句
Hold on. Wait a minute, please.
等等。请稍等一下。
Oh! I'm sorry. I wish you could stay.
哦，真遗憾，要是你能多呆一会儿该多好。
from dust devils and squalls up to continent-size eddies that only satellites can see.
从小尘暴和暴风发展到只有卫星上可以看到的席卷整块大陆的旋涡。