词组450-61/80

61. at times  有时，间或 62. at…speed  以……的速度  63. attend on  照顾，侍候 64. attribute…to...  把……归于......  65. back up  后退，支持 66. be based on  基于  67. be able to  能够  68. be about to  正打算  69. be accustomed to  习惯于  70. be associated with  与……有关 71. be aware of  意识到 72. be capable of  有能力做...... 73. be caught  遇到，陷入  74. be committed to  被交给，答应承担义务 75. be confined to  限制在，局限于 76. be confined/be restricted  受……限制  77. be dedicated to 奉献，献给 78. be devoted to 献身于/致力于...... 79. be directed to  指向，针对  80. be drawn to  被......所吸引