noun🔗Share注射，打针 The act of injecting, or something that is injected."The doctor gave the patient a flu injection. "医生给病人打了一针流感疫苗。medicineactionbodyphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share注射标本，注 Moyang 本。 A specimen prepared by injection."The doctor prepared an injection of the flu vaccine. "医生准备了一个流感疫苗的注射标本。medicinebiologyChat with AIVocabulary GamePractice Reading
noun🔗Share单射, 注入 A morphism from either one of the two components of a coproduct to that coproduct."The injection from the list of students to the combined list of students and teachers represented the students' portion of the class roster. "从学生名单到学生和教师合并名单的注入表示班级名册中学生的部分.mathChat with AIVocabulary GamePractice Reading
noun🔗Share灌注，注入 The act of inserting materials like concrete grout or gravel by using high pressure pumps."The construction workers used an injection to fill the cracks in the foundation with concrete grout. "建筑工人使用灌浆技术将混凝土浆料注入地基的裂缝中。buildingtechnicalprocessmaterialtechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share注资，资金注入。 The supply of additional funding to a person or a business."The troubled business received a much-needed cash injection."这家陷入困境的企业获得了一笔急需的资金注入。businessfinanceeconomyaidChat with AIVocabulary GamePractice Reading
noun🔗Share单射，一对一映射。 A relation on sets (X,Y) that associates each element of Y with at most one element of X."The injection from the list of students to the list of their assigned seats ensures that each student has only one seat. "从学生名单到座位名单的单射关系确保了每个学生只有一个座位。mathChat with AIVocabulary GamePractice Reading
noun🔗Share注入，植入，嵌入。 The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion."a SQL injection exploit allowing a malicious user to modify a database query"一种 SQL 注入漏洞，允许恶意用户修改数据库查询语句。computinginternettechnologyvirusChat with AIVocabulary GamePractice Reading
noun🔗Share入轨，注入轨道。 The act of putting a spacecraft into a particular orbit, especially for changing a stable orbit into a transfer orbit, e.g. trans-lunar injection."The rocket's injection into the transfer orbit was successful, allowing the astronauts to reach the moon. "火箭成功地将飞船注入转移轨道，使得宇航员能够抵达月球。spacetechnologyastronomyChat with AIVocabulary GamePractice Reading
noun🔗Share单射，一对一映射 A function that maps distinct x in the domain to distinct y in the codomain; formally, a f: X → Y such that f(a) = f(b) implies a = b for any a, b in the domain."The teacher's lesson on functions described the injection from the set of student names to the set of student IDs. "老师讲函数的时候，解释了从学生姓名集合到学生ID集合的单射（一对一映射）。mathfunctionChat with AIVocabulary GamePractice Reading
noun🔗Share注射，打针 (specifically) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle."The doctor gave the patient a flu injection. "医生给病人打了一针流感疫苗。medicinebodyanatomyphysiologytechnicaldeviceChat with AIVocabulary GamePractice Reading
noun🔗Share注入 (steam engines) The act of throwing cold water into a condenser to produce a vacuum."The engineer performed the injection of cold water into the condenser, creating the vacuum needed for the steam engine to function properly. "工程师向冷凝器注入冷水，以此制造真空，而真空是蒸汽机正常运转所必需的。technologymachineenergyphysicsChat with AIVocabulary GamePractice Reading
noun🔗Share注水, 注入冷水. (steam engines) The cold water thrown into a condenser to produce a vacuum."The injection of cold water into the condenser created a vacuum, allowing the steam engine to operate smoothly. "向冷凝器注水产生真空，使得蒸汽机能够平稳运行。technologymachinetechnicalenergyChat with AIVocabulary GamePractice Reading
