蚊帐

夏天睡觉要用蚊帐。

xiàtiān shuìjiào yòngwèi wénzhàng.

In summer, one should use mosquito nets when sleeping.

他们在野外宿营时使用了蚊帐。

tāmen zài wàiyě sùyíng shí shǐyòng le wénzhàng.

They used mosquito nets while camping outdoors.