Polymethylene
n. [化]聚亚甲基
🗣️ 情景例句
Like it's such a big deal.
就好象有什么大不了似的。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
'And how can you explain that?' she asked.
“那么你对那又作何解释呢？”她问。