When molybdenum is deficient, nitrate may accumulate to a toxiclevel in the plant.
当钼不足时,硝酸盐会积累在植物中达到毒害的程度。
2
The first step to controlling your anger, rather than having your anger control you, is to recognize your resentments and to express them before they reach a toxiclevel.
第一步是控制怨气,而不是让怨气控制你,弄清自己怨什么,并且把怨气达到毒害程度前释放出来。
3
Many toxic effects can be studied at the cellular level.