injection
🇺🇸
/ɪnˈdʒekʃn/
🇬🇧
/ɪnˈdʒekʃn/
putting medicine or other substances into the body using a needle
The doctor gave him an injection to help with the pain.
医生给他打了一针来帮助缓解疼痛。
a large amount of money given to help something improve
The company needs a cash injection to stay in business.
公司需要现金注入才能维持运营。
forcing a liquid or substance into something
The engine uses fuel injection to run more efficiently.
发动机使用燃油喷射来更高效地运行。