3 sentences

1. 这里的泉水清澈甘甜，可直接饮用。

   zhè​lǐ de quán​shuǐ qīng​chè gān​tián, kě zhí​jiē yǐn​yòng.

   The spring water here is clear and sweet and can be drunk directly.

   Source: Dong Chinese Dictionary

2. 他在慢慢地咀着一枚橄榄，回味着那股甘甜。

   tā zài màn​màn de jǔ zhe yī méi gǎn​lǎn, huí​wèi zhe nà gǔ gān​tián.

   He slowly chewed an olive, savoring its sweet aftertaste.

   Source: Dong Chinese Dictionary

3. 这种青橄榄嚼起来虽然有些苦涩，但回味很甘甜。

   zhè zhǒng qīng gǎn​lǎn jiáo qi​lai suī​rán yǒu​xiē kǔ​sè, dàn huí​wèi hěn gān​tián.

   Although these green olives are a bit bitter to chew, they leave a sweet aftertaste.

   Source: Dong Chinese Dictionary