例句與造句

1. These exposures can occur when elemental mercury is spilled or products that contain elemental mercury break and expose mercury to the air, particularly in warm or poorly ventilated indoor spaces . emotional changes ( e . g ., mood swings, irritability, nervousness, excessive shyness ); insomnia; neuromuscular changes ( such as weakness, muscle atrophy, twitching ); headaches; disturbances in sensations; changes in nerve responses; performance deficits on tests of cognitive function.
2. It's difficult to find mercury break in a sentence. 用mercury break造句挺難的