test team的用法和樣例：
例句
- The green additive was added in test group hens, while the control group was not.
試驗組添加蛋雞用復合綠色飼料添加劑，對照組不添加。 - In the original test, all the animals in a test group are given a substance until half of them die.
在最初的試驗中，一個(gè)試驗組里的全部動(dòng)物都要給予某種物質(zhì)，直到其中一半死亡為止。
