Kelling's tests
[医] 凯林氏试验(检胃癌、胃乳酸、食管憩室)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
I'm looking for somebody fit for the work.
我在找适合这项工作的人。
Do you know what the population of Japan is?
你知道日本的人口是多少吗？
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.
毒液不是生存竞争强加给它们的，它们也可以不用毒液捕捉动物而生存，就像今天成千上万的无毒蛇那样。