adulteration n. 摻雜；
adumbration n. 輪廓；
affectation n. 做作；
affiliation n. 入會；
affirmation n. 肯定；
aggravation n. 更惡化；
aggregation n. 聚集；
agitation n.鼓動 擴展資料
Meat adulteration is one of the worldwide challenges for food quality control.
肉與肉制品摻假是食品質量控制面臨的重要挑戰。
Lawson writes so well: in plain English, without fuss or affectation.
勞森寫得很好：英文通俗易懂，樸實無華又不矯揉造作。
He raised his eyebrows with an affectation of surprise.
他揚起雙眉裝出壹副驚奇的樣子。
Kay has no affectation at all.
凱壹點也不做作。
I wore sunglasses all the time and people thought it was an affectation
我成天戴著墨鏡，大家都覺得我在裝酷。