pest是什么意思

双语用例

• The deliberate burning of structures may be explained as a measure to eradicate pests, insects or disease.

• Most of these species are considered agricultural pests or are listed as quarantine species in parts of the world.

• Leaffolders are unlikely to become serious pests although they have the potential to help protect plants against more costly species.

• Other pests found on individual plants were also recorded.

• Secondly, insects are more likely to become pests as introduced aliens than in their region of origin.

• Farmers were asked to rate (as good, fair or bad) storage behaviour in terms of keeping quality and tolerance to insect pests.

• The present study did not focus on windbreak interactions with birds, pests or pathogens.

• The impact of a legume on soil fertility, pests, food and nutritional security, and whole system productivity needs to be simultaneously considered.