他的感染力让我感到很振奋。
tāde gǎnrǎnlì ràng wǒ gǎndào hěn zhènfèn 。
His infectious enthusiasm makes me feel very inspired.
老师的感染力使我们更愿意学习。
lǎoshī de gǎnrǎnlì shǐ wǒmen gēngyuànyì xuéxí 。
The teacher's infectious energy makes us more willing to learn.
他的感染力在演讲中表现得淋漓尽致。
tāde gǎnrǎnlì zài yǎnjiǎng zhōng biǎoxiàn dé línlí jìnzhì 。
His infectious passion was fully displayed in the speech.