化学物质的用法和样例:
例句
-
这座工厂排出的化学物质改变了整个地区的生态。
Chemicals in the factory's sewage system have changed the ecology of the whole area. -
灭草剂用来摧毁或抑制植物,尤指杂草的生长的化学物质
A chemical substance used to destroy or inhibit the growth of plants, especially weeds. -
杀真菌剂杀死真菌或抑制其生长的化学物质
A chemical substance that destroys or inhibits the growth of fungi. -
氨是种化学物质。
Ammonia is a chemical substance.