Premarketing
a. 上市销售以前的
🗣️ 情景例句
I hope you've brought your pictures along.
我希望你带了你的照片一起来。
I don't like his kissing business.
我对他的接吻索然无味。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。