Derrien's test
[医] 德廉氏试验(检尿α-二硝基酚)
🧩 词语组成解析
🗣️ 情景例句
The only entry requirement is a valid passort.
入境的唯一条件就是持有一本有效的护照。
There are no birds of this year in last year's nests.
事过境迁。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。