1.gymnast n.体操运动员（a person trained in gymnastics）

词根记忆：gym(健身)+nast--体操运动员

例：Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits because they desire to be as thin as possible.

同根词：gymnastic(a．体操的；体育的)

2.gyroscope n.陀螺，回转仪

词根记忆：gyro(旋转)+scope(观察，镜)--回转仪

3.habitat n.栖息地(the place or environment where a plant or animal naturally or normally lives and grows)

词根记忆：habit(住)+at--住的地方--栖息地

例：Species of plants that thrive in a saline habitat require salt to flourish.

派生词：habitant(n.居民，居住者)：habitation(n.住处：聚居地)

4.hail n．冰雹；v.向…欢呼(to acclaim)

联想记忆：hai(音似：嗨)+l--招呼--向…欢呼

例：Economists in the United States have hailed the change as a return to the free market.

5.halo n.光环(a circle of light appearing to surround the Sun or Moon);v.围以光环(to form into or surround with a halo)

例：There is a strict halo of seriousness around science in Egypt.

6.halt n.停止，休息(stop);v.使停止(to bring to a stop)

例：Targland plans to halt this population decline by blocking the current access routes into the desert and announcing new regulations to allow access only on foot.

7.hamper v.阻碍(to impede, to curb)；牵制(to restrain)

例：The productivity of our factory is not hampered by insufficient resources.

8.handicap n.障碍(holdback)；残废(disability);v.（使）不利（to put at a disadvantage)

联想记忆：handi(手)+cap（帽子）--手上套了一个帽子，就形成了障碍--障碍

例：handicap of interpersonal relationships人际关系障碍

派生词：handicapped(a．有生理缺陷的)

9.handlebar n.手把(a straight or bent bar with a handle at each end)

分拆记忆：handle（柄，把手）+bar(条，棒)--手把

例：New York City ordinance of 1897 regulated the use of bicycles, required cyclists to keep feet on pedals and hands on handlebars at all times, and granted pedestrians right-of-way.