Certain medications can reduce sial flow.

某些药物可以减少唾液的流量。

Chewing gum can increase sial production.

嚼口香糖可以增加唾液的分泌。

Sial plays an important role in digestion.

唾液在消化过程中起着重要作用。

Drink plenty of water to help produce sial.

多喝水有助于产生唾液。

The doctor examined the patient's sial for signs of infection.

医生检查了病人的唾液以寻找感染的迹象。