1·While the plane slows, the crew has to be careful not to let it stall, which happens when the wind is flowing over the wings too slowly to generate enough lift.
飞机减速时，要当心机翼产生的升力不够导致飞机失速。
2·They had entered an aerodynamic stall, meaning the wings could no longer keep the plane aloft.
他们已经进入了一个气流栅栏，而这意味着机翼无法保持飞机停留空中。
3·An inexperienced pilot can easily stall his plane.
没有经验的飞行员很容易使他的飞机失速。