/blɒk/ 名词：块，障碍物，街区|动词：阻挡，阻塞 习题： 1. The construction worker placed a concrete ________ into position. (A) Block (B)障碍 (C) Stop (D) Hinder 2. She tried to ________ the sunlight from entering her room by closing the curtains. (A) Block (B)障碍 (C) Stop (D) Hinder 3. The new app feature aims to ________ pop-up ads on websites. (A) Block (B)障碍 (C) Stop (D) Hinder #英语单词 #单词速记 #高效背单词 #每天背单词 #趣味英语 #单词联想 #每日单词 #中考英语 #高考英语 #初高中英语单词