Transtactic polymer
[化] 反式有规聚合物
🧩 词语组成解析
🗣️ 情景例句
She'll be back around 2:30.
大概两点半会回来。
The doctor said I looked worried and nervous.
医生说我看起来太忧郁和紧张了。
Nice to meet you.
很高兴见到你。