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
that I never could have done this book
我不可能完成这本书
Brevity is the soul of wit.
言以简洁为贵。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。