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secrete saliva
secrete 是‘分泌’的正式说法，常用于医学生理语境。
The salivary glands secrete saliva into the mouth.
唾液腺向口腔内分泌唾液。
唾液；口水
先理解核心含义，再看它在真实句子里的用法。
唾液；口水
the clear liquid produced in the mouth that moistens food and begins the digestion of starches
The salivary glands secrete saliva into the mouth.
唾液腺向口腔内分泌唾液。
一种清澈、微碱性的液体,由唾液腺和粘液腺分泌入口腔,含水分、粘蛋白、蛋白质和酶；湿润口腔,润滑食物,并开始分解淀粉。
A clear, slightly alkaline liquid secreted into the mouth by the salivary glands and mucous glands, consisting of water, mucin, protein, and enzymes. It moistens the mouth, lubricates ingested food, and begins the breakdown of starches.
唾液腺和口腔黏膜分泌的透明液体,湿润口腔并开始消化淀粉
a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches
When I see delicious food, my mouth fills with saliva.
当我看到美味的食物时，嘴里就会充满唾液。
The doctor took a small sample of saliva for the test.
医生取了一小份唾液样本送去化验。
Saliva helps moisten food before you swallow it.
唾液有助于在吞咽前湿润食物。
secrete 是‘分泌’的正式说法，常用于医学生理语境。
The salivary glands secrete saliva into the mouth.
唾液腺向口腔内分泌唾液。
swallow saliva 表示‘咽口水’，常描述紧张、尴尬或饥饿的反应。
He swallowed saliva nervously before answering.
他紧张地咽了口唾沫才回答。
saliva 是不可数名词，表示‘一滴’等数量时需借助 a drop of 这类量词。
A drop of saliva dripped from the dog's mouth.
一滴唾液从狗嘴里滴了下来。
saliva 可直接修饰名词（如 sample, test），作定语时用单数形式。
The nurse collected a saliva sample from the patient.
护士从病人那里采集了唾液样本。
Not this
When I am nervous, there is too much salivas in my mouth.
Use this
When I am nervous, there is too much saliva in my mouth.
saliva 在普通用法中是不可数名词，不能用复数形式 salivas（salivæ 仅出现在专业或陈旧语境中）；这里应保留单数形式。
Not this
The smell of fresh bread made me saliva.
Use this
The smell of fresh bread made me salivate.
saliva 是名词，表示“唾液”；表达“分泌唾液/流口水”的动作时要用动词 salivate（make + 宾语 + 动词原形），不能把名词当动词用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
分泌唾液
Chewing gum helps your mouth produce saliva and stay moist.
嚼口香糖有助于口腔分泌唾液并保持湿润。
唾液过多
Excessive saliva can cause drooling during sleep.
唾液过多可能导致睡觉时流口水。
吞咽唾液
You swallow saliva constantly, even while sleeping.
即使睡觉时，你也在不断地吞咽唾液。
唾液样本
The doctor took a saliva sample to run the test.
医生采集了唾液样本以进行检测。
唾液飞沫
The study found the virus spreads through saliva droplets.
研究发现这种病毒通过唾液飞沫传播。
耶稣说了这话，就吐唾沫在地上，用唾沫和泥抹在瞎子的眼睛上。
This Bible verse about Jesus healing a blind man with saliva is one of the most famous healing stories in the Gospel of John.
这段关于耶稣用唾液医治瞎子的经文是约翰福音中最著名的医治故事之一。
Use saliva naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
唾液是微咸的，联想开头的sal像salt（盐），口水自然带咸味。
语域：neutral 常见场景：medical consultation、biology class、scientific article saliva 是中性偏正式的词汇，多用于医学或生物学等专业场合；日常口语中人们更常用 spit。但在一般书面语或认真描述中也可以使用。
与 saliva 押韵的词（英式非卷舌口音）包括 driver /ˈdraɪvə/、diver /ˈdaɪvə/、survivor /səˈvaɪvə/、fiver /ˈfaɪvə/。注意拼写相似的词读音不同：liver /ˈlɪvə/ 和 diva /ˈdiːvə/ 并不押韵，不要按拼写类推。
Dictionary facts from ECDICT, WIKTIONARY.