Transtactic polymer
[化] 反式有规聚合物
🧩 词语组成解析
🗣️ 情景例句
And it hung over Robbie's crib.
Robbie的小床也有过。
Don't be a stranger!
别这么见外嘛！
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。