Testcross
n. 测交(一种使杂种子一代与隐性类型交配以测定杂种子一代遗传型的方法)
🗣️ 情景例句
at my junior high school graduation.
在我初中毕业的时候。
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。