alleviate [ al- (ad-) = to 对;levi = light 轻；-ate v. = to make 使=> "to make sth, light to sb.使某事对某人的压力变轻”→] v. make easier to endure; relieve 减轻，缓和 / Try to alleviate the patient's suffering. 尽力减轻患者的痛苦。

alleviation n. 减轻；缓和物 

alleviative a. 减轻痛苦的；起缓和作用的

annex [ an- ( ad-) = to 到；nex = to bind 绑=> "to bind one thing to another将一物绑到另一物上 ”→] v. join to a larger thing 附加，并吞 / The United States annexed Taxas in 1845.美利坚合众国于1845年兼并了得克萨斯州这块土地。

annexation n. 附加；并吞 

annexment n. 附加物；并吞物

appear [ ap- ( ad-) = to 向；pear ( par) = to come 来=> “to come to 向…走来”→] v. come in sight 出现 / A ship suddenly appeared on the horizon. —艘轮船突然出现在天边。

appearance n. 出现，显露；来到 

apparent a. 明显的；显而易见的

arrive [ ar- (ad-) = to 到；riv ( rip) = shore 岸；-e=>“to the shore 到岸 ”→]v . reach a place 到达 / The train arrived at the station on time.火车正点到站。 arrival n. 到达，到来；到达者