moth
n
1 insect like a butterfly but less brightly coloured, flying mainly at night and attracted to bright lights 蛾.
2 (also clothes moth) small similar insect that breeds in cloth, fur, etc, its young feeding on the cloth and making holes in it 衣蛾.
I was doing some exercises on the high-and-low bars. When I landed, I fell forward and hurt myself. Someone was standing too close and I knocked into him and fell over onto my shoulder.
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.