Prepolycondensate
预缩聚物
🗣️ 情景例句
They quarreled with each other but soon made up.
他们吵了一架，但很快就言归于好。
He who lives by hope will die by hunger.
靠希望生活的人将饥饿而死。
Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles iron solar system.
即使是一台放置在围绕地球的轨道上的望远镜——如非常成功的哈勃望远镜——也因为太阳系中的尘埃微粒而无法胜任。