1. marijuana n dried leaves etc, of hemp, smoked in cigarettes as a drug大麻 　　
　　2. evoke v to inspire or draw forth 引起，激起
　　The music evoked memories of her youth.
　　派生詞匯：Evocative adj 引起回憶的，喚起感情的evocation n引起，喚起 evocable adj可換出的
　　3. undisturbed adj not disturbed or interfered with 不受干擾的，未受干擾的
　　The old man likes living an undisturbed life.
　　派生詞匯：Disturbance n打擾；煩惱；混亂 disturber n 干擾者 disturbing adj 煩擾的 disturbingly 另人不安地　　
　　4. arable adj fitfor cultivation, as by plowing 可耕作的
　　 There is no arable land.
　　 n land fit to be cultivated 可耕地　　
　　5. harrow vt to pull a harrow over land 耙地
　　The land has been harrowed.　　
　　6. herbicide n substance that is poisonous to plants, used to destroy weed 除草劑
　　He bought herbicide to destroy weed.
　　派生詞匯：Herbicidal adj 除草的　　 　　7. germinate vt to cause sth start growing 使某物發(fā)芽，萌芽
　　The plentiful rain germinated my plants.
　　vi to begin to sprout or grow 開始發(fā)芽或發(fā)育
　　The cabbage germinated within a week.
　　派生詞匯：Germination n 萌芽，發(fā)育
　　8. dormant adj temporarily inactive 潛伏的，休眠的Many plants lies dormant throughout the winter.
　　必背搭配：Lie dormant 潛伏，冬眠
　　9. unyoke v to free from chains or unfair limitation 解除束縛，
　　The cow was unyoked.　　
　　10.tamarind n (edible fruit of) a tropical tree羅望子樹（果）
　　There are many tamarinds in Africa. 　　
　　Exercises 1.The newly published review on the book has ___ much controversy.
　　2.China is lacking in____ land.
　　3.The land must be _____ before we plant the grains.
　　4.Seeds _____ in the spring.
　　5.Her feelings of affection are ____ but easily awakened.
　　答案： 　　1.evoked
　　2.arable
　　3.harrowed
　　4.geminate
　　5.dormant