noun🔗Share注射，打针 The act of injecting, or something that is injected."The doctor gave the patient two injections to help reduce the pain in their back. "医生给病人打了两针，以减轻他们背部的疼痛。medicinebodyChat with AIVocabulary GamePractice Reading
noun🔗Share注射剂，注射样品 A specimen prepared by injection."The biology class examined several injections, each a frog meticulously prepared with dyed blood vessels to highlight its circulatory system. "生物课上，同学们检查了几份注射样品，每份都是一只精心准备的青蛙，血管里注射了染料，以便清晰地展示它的循环系统。medicineChat 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."In category theory, injections map individual objects into a combined structure called a coproduct. "在范畴论中，“注入”这种态射将单个对象映射到一个称为“上积”的组合结构中。mathChat with AIVocabulary GamePractice Reading
noun🔗Share灌浆，注浆. The act of inserting materials like concrete grout or gravel by using high pressure pumps."The construction workers used injections to fill the cracks in the foundation. "建筑工人使用灌浆技术来填补地基中的裂缝。technicalbuildingindustrytechnologyChat 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。businessfinanceeconomyChat 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 teacher's injections of new vocabulary into her lesson plans helped students understand more complex ideas. "老师在课程计划中巧妙地融入新词汇，这种单射式的引入方式帮助学生们理解更复杂的概念。mathChat with AIVocabulary GamePractice Reading
noun🔗Share注入, 注入攻击 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"一个SQL注入漏洞，允许恶意用户修改数据库查询。computinginternettechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share轨道注入 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."After a successful launch, the spacecraft performed three orbital injections to precisely reach its final destination around the moon. "成功发射后，探测器进行了三次轨道注入，最终精确地到达了它绕月飞行的目标轨道。spacetechnologyastronomyChat with AIVocabulary GamePractice Reading
noun🔗Share单射, 一一映射 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."To ensure each student received a unique grade, the professor used injections when assigning letter grades to numerical scores, guaranteeing no two students with different scores would receive the same grade. "为了确保每个学生获得独一无二的成绩，教授在将数字分数转换为字母等级时使用了单射方法，保证了分数不同的学生不会得到相同的等级。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 two injections before the surgery to help manage the pain. "手术前，医生给病人打了两针，以帮助控制疼痛。medicinebodyphysiologyanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share喷水, 注水 (steam engines) The act of throwing cold water into a condenser to produce a vacuum."The steam engine's efficiency depended heavily on the regular injections of cold water into the condenser, creating the vacuum necessary for its operation. "蒸汽机的效率很大程度上取决于定期向冷凝器喷水，以产生其运行所需的真空。technologymachinetechnicalenergyphysicsindustryChat with AIVocabulary GamePractice Reading
noun🔗Share喷注，注入。 (steam engines) The cold water thrown into a condenser to produce a vacuum."The steam engine's efficiency depended on the proper injections of cold water into the condenser. "蒸汽机的效率取决于将适量的冷水喷注到冷凝器中。technicalmachineenergyChat with AIVocabulary GamePractice Reading
