We should keep the room ventilated

通风───improve air circulation;保持───keep

Lower branches may need to be removed to allow for gardening activities or to improve air circulation.───下部的枝蔓需要休掉以方便打理，有助于空气流通。

Clean the lint filter in the dryer after every load to improve air circulation.───清洁林特过滤器在干燥后，每一个负载，以改善空气流通。

Curves optimize the plants' sun exposure and improve air circulation. Crops grow without soil in hydroponic trays.───利用无土栽培技术，这些作物被种植在溶液培养基里。