Phenolphthalein tests
[医] 酚酞试验(检粪或尿内血液)
🧩 词语组成解析
n. 酚酞\\n[化] 酚酞
n. 测验（test的复数）
🗣️ 情景例句
Do you have any hobbies?
你有什么业余爱好？
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Of course, the answer is Chinese.
回答当然是汉语。