(viscous, barred owl, vista, flycatcher, vitiate)
729. viscous ['vɪskəs]
viscous force 粘性力
viscous consistence 粘滞结持
Melted tar is a viscous substance.
730. barred owl
大林鸮
A large North American owl(Strix varia) having barred, brownish plumage across the breast, a streaked belly, and a strident, hooting cry.
横斑林鸮：一种北美洲大鸮枭（横斑林鸮鵐 林鸮属） ，胸部有褐色的条纹羽毛，腹部有条纹，叫声刺耳似汽笛
731. vista ['vɪstə]
a tree-lined vista 两旁有树木的远景
open vast vistas 开辟广阔的前景
732. flycatcher['flaɪkætʃə]
Any of various Eurasian birds of the family Muscicapidae that feed on insects, usually catching the insects in flight.
鹟：一种以昆虫为食的欧亚大陆鹟科鸟类，通常捕捉飞虫
733. vitiate ['vɪʃɪeɪt]
vitiated air 污浊的空气。
vitiate a contract 使契约失效。
Fraud will vitiate the contract.
Pollution from smoke and dust vitiates the air.
(viscous, barred owl, vista, flycatcher,vitiate)
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