单词:block copolymers
单词:block copolymers 相关文章
今天学的词组是block。Block有障碍物的意思。比如road block -- 路障,Police put up a road block to stop the demonstrators, 警察为阻止抗议者设置了路障。作为动词,block也有阻塞,拦阻的意思。比如施工造成
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus
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最近有科学家正在研发一种全新的电子纸技术,这种电子纸其实就是一种超薄的柔性显示屏,具有很高的能效性,并且在阳光直射或明亮环境中也可以清晰地显示出内容。这种柔性显示屏的厚
WASHINGTON, Aug. 31 (Xinhua) -- The Justice Department of the United States on Wednesday filed an antitrust lawsuit to block AT T's acquisition of T-Mobile, Deputy Attorney General James M. Cole said at a press conference. Cole said that four nationw