Delrin
迭尔林(聚甲醛树酯)
🗣️ 情景例句
I agree although I still have some reservations.
我基本上同意，但仍有所保留。
A man who has friend must show himself friendly.
与朋友交，必须友好相处。
Have you ever driven a BMW?
你有没有开过“宝马”？