Backcross mating
[医] 回交, 逆代杂交
🧩 词语组成解析
vt.vi. 使回交, (使)逆代杂交
n. 交配\\n[化] 配套; 交配
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
Do you often learn geography on the weekend?
你常常在周末学地理吗？
By the way, where are you going now?
顺便问一句，你现在去哪里？