Collineation
直射（变换）, 同射变换
🗣️ 情景例句
There are a few openings in publishing for new graduates.
出版业中几乎没有给新毕业生的空缺。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
Learning English is like building a house.
学英语象盖房子。