lù / yíng / qián / wǒ / men / jiǎn / chá / le / qì / bèng / shì / fǒu / hái / néng / zhèng / cháng / shǐ / yòng

露营前，我们检查了气泵是否还能正常使用。

Before camping, we checked whether the air pump still worked properly.