Courses may include plant physiology, biochemistry, current pesticide regulations, forest pest suppression, chemical decontamination, and aquaticweed management.
课程包括植物生理学、生物化学、除虫剂使用规章、森林虫害预防、有害化学物质清理和水环境清理。
2
In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.