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
I've just been robbed. What should I do?
我刚刚被抢劫了，现在不知道该怎么办？
One good mother is worth a hundred schoolmasters.
一个好的母亲顶得上一百个教师。
The house was dirty. They hadn't cleaned it for weeks.
房子很脏，他们好几个星期没打扫了。