
pbs
词源
PBS 作为 Public Broadcasting Service 的缩写,起源于 1969 年,旨在提供公共电视服务;作为 Phosphate Buffered Saline 的缩写,源自其化学成分为磷酸盐缓冲的盐水溶液。
noun
❶ PBS 是美国公共广播服务(Public Broadcasting Service)的缩写,是一个非营利性公共电视网络,提供教育、文化和新闻节目。
“I watched a documentary about nature on PBS last night.”
(昨晚我在 PBS 上看了一部关于自然的纪录片。)
“PBS is known for its high-quality educational programs.”
(PBS 以其高质量的教育节目而闻名。)
❶ PBS 也可以指磷酸盐缓冲盐水(Phosphate Buffered Saline),是一种常用于生物实验的缓冲溶液。
“The cells were washed with PBS before the experiment.”
(实验前,细胞用 PBS 洗涤。)
“PBS is commonly used to maintain a stable pH in biological samples.”
(PBS 通常用于维持生物样本的稳定 pH 值。)
常见短语
PBS Kids — PBS 旗下的儿童节目品牌,提供适合儿童观看的教育性内容。
“My daughter loves watching PBS Kids because of its fun and educational shows.”
(我女儿喜欢看 PBS Kids,因为它的节目既有趣又有教育意义。)
PBS NewsHour — PBS 的旗舰新闻节目,以深度报道和分析著称。
“I tune in to PBS NewsHour every evening for reliable news coverage.”
(我每天晚上都会收看 PBS NewsHour,获取可靠的新闻报道。)