Umber's test
[医] 乌姆贝尔氏试验(检猩红热)
🧩 词语组成解析
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
To sleep like a baby
睡得像个婴儿
The Hubble will tell us a great deal about the age and size of the universe.
哈勃将告诉我们有关宇宙的年龄和大小的许多事情。