For example, did you know that 1 in 4 teenagers has tried marijuana?
比如,你是否知道4个青少年中就有1位曾经吸过大麻?
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.
他们要在船舱里工作,切掉旧的金属,焊接新的金属板,钻孔,埋电线和电话线以及安装新的水管和蒸汽管。