Polymethylene
n. [化]聚亚甲基
🗣️ 情景例句
Hi, what can I do for you?
嗨，你好。我能为你做些什么？
There's nothing like a cup of tea when you're thirsty.
当你口渴时，没有什么东西比一杯茶更好了。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。