Heliotrine
天芥菜碱
🗣️ 情景例句
That's OK.
没有关系 。
I want to make an overseas call to the United States?
我想打个电话到美国去。
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。