Polyolefine
[化] 聚烯烃
🗣️ 情景例句
I care about new fixtures in the hallways--
我关心走廊的新灯具，
In his defense, he still tried to justify himself.
为了保护自己，他一直试图证明自己的行为是正当的。
You did a good job.
干的好！