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- Persistent toxic substances (PTS), which have carcinogensis, teratogensis and mutagensis and ecotoxicity, can cause heavy damages to coastal ecological environments and systems. 持久性毒害污染物具有三致效应和遗传毒性，对近海生态环境危害极大。
- Chen, W.; Tomson, M.B.; Hughes, J.B., "Sequestration of PTS in soil and sediment: reduced availability and impact on risk and remediation," presented at the 3rd International Symposium on Persistent Toxic Substances, Beijing, China. 陈威2006，“土壤和沉积物中有机污染污染物的锁定和生物可利用性”，第三届环境化学中青年学者学术研讨会，南京。
- Fog will persist throughout the night. 雾将整夜不散。
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- She resented his persistent approaches. 他一再地表示亲近使她很反感。
- He will persist in riding that dreadful bicycle. 他执意要骑那辆破自行车。
- If you persist, you will annoy them even more. 你若固执，他们就更恼火了。
- Cancer is a kind of persistent ailment. 癌症是一种顽症。
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- He has shown a persistent neglect of duty. 他一贯玩忽职守。
- The persistent inability to conceive a child. 不孕持续的不能怀孕的能力
- A toxic chemical or other substance. 有毒的化学品或其它物质
- The degree to which a substance is toxic. 毒效一种物质毒性所达到的程度
- She eventually married the most persistent one of her admirers. 她终于嫁给了最执着追求她的人。
- Stubbornly or perversely persistent. 顽固的顽固地或刚愎地坚持的
- Despite persistent denials, the rumor continued to spread. 尽管一再否认，谣言还是不胫而走。
- He was sent off by the referee for persistent fouling. 他因连续犯规被裁判勒令退场。
- If you persist in breaking the law you will go to prison. 如果你再继续违法的话，你会坐牢的。
- persistent toxicant 持久性毒剂
- His persistent questions finally goaded me into an angry reply. 他三番五次地问问题惹得我回答时也没有好气。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
