abbr.pH值(溶液或物质的酸碱度。pH值介于0至14,7以下为酸,7以上为碱);(=public health)公共卫生;
英文例句/中文翻译:
1、
2、
The fluid that emerges from the vents is acidic ( pH 3) and hot.
从那些出口出来的液体呈酸性(pH值为3),且是热的。
《柯林斯高阶英汉双解学习词典》
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一、高考高频核心词汇(25个)序号词汇音标词性释义1accommodation/əˌkɒməˈdeɪʃn/n.住宿;膳宿2acknowledge/əkˈnɒlɪdʒ/v.承认;感谢3appreciate/əˈpriːʃieɪt/v.欣赏;感激4atmosphere/ˈætməsfɪə(r)/n.氛围;大气层5concentrate/ˈkɒnsntreɪt/v.集
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Unit 1 Time to Relax【重点单词】1.decrease/dɪˈkriːs/v.减少2.calligraphy/kəˈlɪɡrəfi/n.书法3.ski/skiː/v.滑雪4.program/ˈprəʊɡræm/v.编写程序5.express/ɪkˈspres/v.表达;表示6.instructor/ɪnˈstrʌktə(r)/n.教练;指导者7.scared/skeəd/adj.害怕的
Unit 1 Time to Relax【重点单词】1.decrease/dɪˈkriːs/v.减少2.calligraphy/kəˈlɪɡrəfi/n.书法3.ski/skiː/v.滑雪4.program/ˈprəʊɡræm/v.编写程序5.express/ɪkˈspres/v.表达;表示6.instructor/ɪnˈstrʌktə(r)/n.教练;指导者7.scared/skeəd/adj.害怕的
Unit 1 Animal Friends【重点单词】1.fox /fɒks/n. 狐狸2.giraffe /dʒəˈrɑːf/n. 长颈鹿3.eagle /ˈiːɡl/n. 雕;鹰4.wolf /wʊlf/n. (pl. wolves /wʊlvz/) 狼5.penguin /ˈpeŋɡwɪn/n. 企鹅6.elephant /ˈelɪfənt/n. 象7.scary /ˈskeəri/adj. 吓人的;恐怖的8
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【重点单词】1.fox /fɒks/n. 狐狸2.giraffe /dʒəˈrɑːf/n. 长颈鹿3.eagle /ˈiːɡl/n. 雕;鹰4.wolf /wʊlf/n. (pl. wolves /wʊlvz/) 狼5.penguin /ˈpeŋɡwɪn/n. 企鹅6.elephant /ˈelɪfənt/n. 象7.trunk /trʌŋk/n. 象鼻8.snake /sneɪk/n. 蛇9.scary /ˈske
Unit 1 :我最喜欢的动物My favorite animal is the dolphin. It is one of the most intelligent creatures in the ocean. Dolphins have smooth, gray skin and a friendly smile. They can swim very fast and leap high out of the water, which looks amazing.I love
【重点单词】1.fox /fɒks/n. 狐狸2.giraffe /dʒəˈrɑːf/n. 长颈鹿3.eagle /ˈiːɡl/n. 雕;鹰4.wolf /wʊlf/n. (pl. wolves /wʊlvz/) 狼5.penguin /ˈpeŋɡwɪn/n. 企鹅6.elephant /ˈelɪfənt/n. 象7.trunk /trʌŋk/n. 象鼻8.snake /sneɪk/n. 蛇9.scary /ˈske
2015年北京卷The Phone CallIt was getting dark.Paul looked out of the window and sighed(叹气).Dad said he would come home by 5:30, but it was almost 7:00.Even if Dad came back,it wouldn’t be much fun playing 31 in the dark.Paul walked into his room a
2023全国乙卷 AJacqueline Félicie de Almania(c. 1322)highlights the suspicion that women practicing medicine faced. Born to a Jewish family in Florence, she moved to Paris where she worked as a physician and performed surgery. In 1322 she was tried for
2016年北京卷A41.On Saturday Sophia was .A.in the summer Palace B.in the British MuseumC.at Tower Bridge D.at Heathrow Airport42.What was the weather like when Steve was in Paris?A.Rainy. B.Warm. C.Cloudy. D.Cold.43.How long did it take Jack to get
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