Subject + 吻 + Object
吻 (wěn) means "to kiss" as a verb, and can also function as a noun meaning "a kiss" or "lips/mouth." It appears in compound words like 接吻 (to kiss) and 亲吻 (to kiss affectionately). In the term 宽吻海豚 (bottlenose dolphin), 吻 refers to the snout or mouth area.
妈妈每天早上都会亲吻孩子的额头。
Māma měitiān zǎoshang dōu huì qīnwěn háizi de étóu.
Mom kisses her child's forehead every morning.
他们在机场告别时深情地吻了对方。
Tāmen zài jīchǎng gàobié shí shēnqíng de wěnle duìfāng.
They kissed each other affectionately when saying goodbye at the airport.
小狗跑过来舔我的手,像是在吻我一样。
Xiǎo gǒu pǎo guòlái tiǎn wǒ de shǒu, xiàng shì zài wěn wǒ yīyàng.
The puppy ran over and licked my hand, as if kissing me.