Yenerite
塊硫銻鉛礦
??? 情景例句
This job is killing me.
這活兒都快把我累死了。
True friendship is a plant of slow growth.
真正的友誼像是生長緩慢的植物。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧氣在空氣中的含量達到25%，它就要燃燒。