Gregertsen's tests
[医] 格雷格森氏试验(检潜血)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
My friends will get a big kick out of getting these.
送劳力士，我同事准乐死了！
If he doesn't, will you eat some?
如果他不，你会吃一些吗？
It is almost impossible to take your mind off the journey.
想摆脱开旅途的困扰是很难的。