pesticide n. 殺蟲劑
The pesticide was spread over the vegetable plot.
菜田里撒上了農藥。
devastating adj. 毀滅性的
It is the most devastating storm in 20 years.
這是20年來破壞性最大的風暴。
mutation n. 變化; 轉變; 突變; 變異
equilibrium n. 平衡, 均勢
He lost his equilibrium and fell into the lake.
他失去平衡,跌進湖里。
concord n. 和諧, 一致, 和睦
These states had lived in concord for centuries.
這些國家幾個世紀以來一直和睦相處。