noun🔗Share指标，指示器，标志。 A pointer or index that indicates something."The rising number of absences is a clear indicator that something is wrong with the school's schedule. "旷课人数的增加清楚地表明学校的课程安排存在问题。signpointcommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share指示器，仪表，计量器 A meter or gauge."The car's fuel and temperature indicators helped the driver monitor the engine's performance. "汽车的油量和温度仪表帮助司机监控引擎的运行状况。technicaldevicemachineChat with AIVocabulary GamePractice Reading
noun🔗Share指针，指示器 The needle or dial on such a meter."The fuel gauge had two indicators: one showed the current level, and the other warned when the tank was almost empty. "油量表上有两个指针：一个显示当前的油量，另一个在油箱快空的时候发出警告。devicemachineelectronicsChat with AIVocabulary GamePractice Reading
noun🔗Share指示剂，指示剂材料 Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction."In science class, we used indicators like litmus paper to test if a liquid was an acid or a base. "在科学课上，我们用指示剂，比如石蕊试纸，来测试液体是酸性还是碱性。chemistrysubstancescienceChat with AIVocabulary GamePractice Reading
noun🔗Share指示生物，指标生物 A plant or animal whose presence is indicative of some specific environment."Lichens growing on trees are good indicators of clean air because they are sensitive to pollution. "生长在树上的地衣是空气洁净程度的良好指示生物/指标生物，因为它们对污染很敏感。environmentbiologyecologyanimalplantnatureChat with AIVocabulary GamePractice Reading
noun🔗Share指标，指数 A measure, such as unemployment rate, which can be used to predict economic trends."Rising gas prices are often considered indicators of future inflation. "汽油价格上涨通常被认为是未来通货膨胀的指标。economybusinessstatisticsfinanceChat with AIVocabulary GamePractice Reading
noun🔗Share转向灯，方向灯。 A turn signal; each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change etc."Before changing lanes on the highway, Sarah carefully checked her mirrors and used her indicators to signal her intention to move to the left. "在高速公路上变道之前，萨拉仔细检查了后视镜，并打了转向灯示意她要向左变道。vehiclepartsigntraffictechnicalmachinedevicesignalChat with AIVocabulary GamePractice Reading
noun🔗Share响蜜鴷，蜜向导鸟。 A bird, the honeyguide."The honeyguide, an important indicator species, is used by people to find beehives. "响蜜鴷，作为重要的蜜向导鸟，人们会利用它来寻找蜂巢。birdChat with AIVocabulary GamePractice Reading
