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- Ad valorem tariff can be applied to products with a wide range of grade variations.Compound tariff is compound duties are often applied to manufactured products embodying raw materials that are subject to tariffs. 从价税可用于各种类型范围的商品，复合关税常常用于工业产品，包括那些应纳税的原材料。
- I think it my duty to serve the people. 我认为为人民服务是我的责任。
- How can I get shut of such an unwelcome duty? 我自发以才能逃脱掉这个令人如此计厌的差事呢？
- A small party of men were told off for burial duty. 一小组人被分派去执行掩埋的任务。
- Be it our duty to comply with his request? 我们有义务满足他的要求吗？
- He who does his duty is worthy of praising. 凡是忠于职守的人都值得奖励。
- I feel it my duty to speak frankly to you. 我觉得我有义务要坦白地对你说。
- I felt bad that I had not done my duty. 我很难过，我没有履行自己的职责。
- It is my painful duty to tell him he is dying. 要我把他即将去世的事告诉他，这使我十分为难。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- The danger recalled him to a sense of duty. 这危险的事唤起了他的责任感。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- I'm duty bound to visit my old aunt. 我有义务去探望年老的姑妈。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- A young lieutenant was named for duty. 一名年轻的中尉被任命担任这项职务。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- He who does his duty is worth praising. 凡是忠于职守的人都值得赞扬。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- An old wooden box did duty for a table. 把旧木箱当作桌子。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
