Polynorbornene
[化] 聚降冰片烯
🗣️ 情景例句
He really likes to play the field.
他不喜欢做出承诺。
We can dispense with that today but not tomorrow.
今天虽然可以把它免除，但是明天可就不行了。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分显示出了仪表和仪器的潜在力量。