3 sentences for 傳播 (chuán​bō — transmission)

1. 为何声音不能在太空中传播？

   wèi​hé shēng​yīn bù​néng zài tài​kōng zhōng chuán​bō?

   Why can’t sound travel in space?

   Source: CCMatrix

2. 在凉爽的空气中，声音传播效果最好。

   zài liáng​shuǎng de kōng​qì zhōng, shēng​yīn chuán​bō xiào​guǒ zuì​hǎo.

   Sound travels best in cool air.

   Source: OpenSubtitles

3. 声音在哪里传播的速度更快：在水里还是在空气中？

   shēng​yīn zài nǎ​li chuán​bō de sù​dù gèng kuài: zài shuǐ li hái​shi zài kōng​qì zhōng?

   Where does sound travel faster: in water or in air?

   Source: CCMatrix