Polycross
多系天然杂交, 多向杂交, 多父本杂交
🗣️ 情景例句
We did?
我们忘了吗？
Do you like going to see painting exhibition?
你喜欢参观画展？
When you rescued your trousers, did note in your back pocket? When you rescued your trousers, did you find the note was whiter than white?
当你把裤子抢救出来时，你有没有发现那张纸币已经变得比白纸还白？