2 sentences

1. 有些婴儿还在子宫里就得肺炎，必须在出生时接受治疗。

   yǒu​xiē yīng'ér hái zài zǐ​gōng lǐ jiù dé fèi​yán, bì​xū zài chū​shēng shí jiē​shòu zhì​liáo.

   Some babies get pneumonia while they are still in the womb and must be treated at birth.

   Source: CCMatrix

2. 科学家刚刚发现为什么婴儿需要在子宫内移动以发展强壮的骨骼和关节。

   kē​xué​jiā gāng​gāng fā​xiàn wèi​shén​me yīng'ér xū​yào zài zǐ​gōng nèi yí​dòng yǐ fā​zhǎn qiáng​zhuàng de gǔ​gé hé guān​jié.

   Scientists have just discovered why babies need to move in the womb to develop strong bones and joints.

   Source: CCMatrix