| 正面 | 4688.constraint 英 [kən'streɪnt]美 [kən'strent]     |
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| 背面 |      释义： 1. 古代在港口中交换.n. [数] 约束；局促，态度不自然；强制 例句： 1. Water shortages in the area will be the main constraint on development.水资源匮乏将是制约该地区发展的一个主要因素。 constraint (n.)late 14c., "distress, oppression," from Old French constreinte "binding, constraint, compulsion" (Modern French contrainte), fem. noun from constreint, past participle of constreindre, from Vulgar Latin *constrinctus, from Latin constrictus (see constrain). Meaning "coercion, compulsion" is from 1530s." |