abase V. /降低，羞辱/lower; humiliate. Defeated, Queen Zenobia was forced to abase herself before the conquering Romans, who made her march in chains before the emperor in the procession celebrating his triumph. abasement, N.
abash V. /使难堪/embarrass. He was not at all abashed by her open admiration.
abate V. /减弱，减少/subside; decrease, lessen. Rather than leaving immediately, they waited for the storm to abate. abatement, N.
abbreviate V. /减短，缩写/shorten. Because we were running out of time, the lecturer had to abbreviate her speech.
abolish V. /废除/cancel; put an end to. The president of the college refused to abolish the physical education requirement. abolition, N.
abominable ADJ. /可恶的，非常糟糕/detestable; extremely unpleasant; very bad. Mary liked John until she learned he was dating Susan; then she called him an abominable young man with abominable taste in women.
aboriginal ADJ., N. /原来的，土著的/being the first of its kind in a region; primitive; native. Her studies of the primitive art forms of the aboriginal Indians were widely reported in the scientific journals. aborigines, N. abortive ADJ. /不成功的，失败/unsuccessful; fruitless. Attacked by armed troops, the Chinese students had to abandon their abortive attempt to democratize Beijing peacefully. abort,V.
abrade V. /磨损，侵蚀/wear away by friction; scrape; erode. The sharp rocks abraded the skin on her legs, so she put iodine on her abrasions.