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- Their main duties are to ensure safety of navigation and other marine activities as well as to respond to emergencies. 他们的主要职责是确保船舶航行及其他海事活动的安全，遇有紧急事故则立即动员应变。
- Incorporating marine actives encapsulated in liposomes, used with our specific anti-wrinkle massage for nourishment and increased moisture levels. 避免水份流失，促进肌肤活性，深层保湿、柔软肌肤、有效提升聚水能力.
- Bioinformational substances, physiological active substances, marine biotoxin and biofunctional materials were included in the marine active substances. 海洋活性物质主要包括生物信息物质,生理活性物质,海洋生物毒素及生物功能材料等。
- The marine organisms have already become the main sources of new medicine,and the antitumor function of the marine active material is studied as one of the hotspots. 海洋生物已成为新药的主要来源,海洋活性物质的抗肿瘤作用研究是热点之一。
- The marine officinal substances was one of the marine active substances, This paper describes some marine invertebrates officinal substances research progress. 海洋药用物质是生物活性物质的一种,本文简要介绍了一些海洋无脊椎动物药用物质的研究进展。
- Marine Department launches, in continuous radio contact with the VTC,patrol the main harbour area and its approaches to ensure safety of navigation and other marine activities, as well as to respond to emergencies. 海事处巡逻艇负责巡逻主要海港范围和进口航道，利用无线电通讯与船只航行监察中心保持联络，以确保船舶航行及其他海事活动的安全，并在发生紧急事故时，立即应变。
- Marine Department launches,in continuous radio contact with the VTC,patrol the main harbour area and its approaches to ensure safety of navigation and other marine activities,as well as to respond to emergencies. 海事处巡逻艇负责巡逻主要海港范围和进口航道，利用无线电通讯与船只航行监察中心保持联络，以确保船舶航行及其他海事活动的安全，并在发生紧急事故时，立即应变。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- Marine plants grow on the sea bed. 海生植物长在海底。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。
- The rocks are covered by marine plants. 岩石被海生植物所覆盖。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- Are there any other clauses in marine policies? 海运险还包括其它条款吗？
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- This lesson pertains to marine animals. 这一课讲海洋动物。
