1. conservationist someone who works to protect the environment from the damaging effects of human activity i.e. Conservationists are concerned about the threat of global warming to the Arctic's unique ecosystems. 環保人士擔心全球變暖對北極獨特生態系統的威脅。 2. renewable an energy form or a material that can be renewed or used again i.e. Renewable energy sources such as wind and solar power are considered eco-friendly. 風能和太陽能這類的可再生能源被視為是環保的。 3. disturb to interrupt what someone is doing i.e. I'm sorry to disturb you so late, but my car's broken down and I don't have my phone with me. 很抱歉這麽晚來打擾你，我的汽車壞了，而且我沒有帶電話。