- 双语例句 更多例句
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Litmus paper can be used as an indicator of the presence of acid in a solution.
石蕊试纸可用以测试溶液是否含酸.
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Ammonia gas NH 3 is colorless which can turn wet red litmus paper to blue.
氨气是无色的,它可把湿的红色石蕊试纸变成蓝色.
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- 相关词组
- working papern.工作底稿;雇用证书;
- evening papern.晚报;
- morning papern.早报;
- paper cuttern.裁纸器，裁纸刀;裁纸机;切纸机;
- silver papern.锡箔纸，锡箔;锡纸;银箔;
- wrapping papern.包装纸;
- waxed paper蜡纸;
- paper streamer纸带，彩纸带;
- touch papern.硝纸，导火纸;
- examination papern.考试卷;考卷;考题;卷子;
- asbestos base asphalt paper石棉油毡;
- paper tigersn.纸老虎，外强中干( paper tiger的名词复数 );
- question paper试卷;
- tracing papern.描图纸;
- paper money system纸币制;
- paper knifen.裁纸刀;
- position papern.意见书，表明对问题所持见解的论文;
- waste papern.废纸;烂纸;
- bible paper字典纸;
- bond papern.证券纸;
- 今日热词
- 热门搜索
- carrot n.胡萝卜; （为说服人做事所许诺的）好处，酬报;
- pineapple n.菠萝;凤梨;〈俚〉手榴弹;
- free adj. 自由的;免费的;免税的;空闲的;adv. 免费地;自由地，无拘束地;一帆风顺地;
- beneficial adj.有益的，有帮助的;
- traffic light n.红绿灯;交通灯;交通信号灯
- honor n.尊敬;敬意;荣誉;光荣;vt.尊敬，给以荣誉;
- competence n.能力;权限;技能;
- pohce POHCE是一个轻奢女包品牌
- branch n.树枝;分支;部门，分科;支流;vi.分支形成;分支扩张;扩大某人的兴趣，业务或活动范围;[计]下分支的指令;
- alligator sky 鳄鱼的天空;鳄鱼天空
- reviewer n.评论家，评论者;
- Japanese visa 日本签证
