Polycross
多系天然杂交, 多向杂交, 多父本杂交
🗣️ 情景例句
In fact, I love what I do ...
事实上 我热爱我的工作……
Do you often learn geography on the weekend?
你常常在周末学地理吗？
He had been there for nearly ten hours.
他已经在烟囱里被困了将近10个小时。