Tra từ inject - Từ điển Oxford Advanced Learner 8th

in·ject [inject injects injected injecting] BrE [ɪnˈdʒekt] NAmE [ɪnˈdʒekt] verb
1. to put a drug or other substance into a person's or an animal's body using a ↑syringe
•~ sth (into yourself/sb/sth) Adrenaline was injected into the muscle.
•The anaesthetic is injected locally.
•~ yourself/sb/sth (with sth) She has been injecting herself with insulin since the age of 16.
2. to put a liquid into sth using a ↑syringe or similar instrument
•~ A (with B) The fruit is injected with chemicals to reduce decay.
•~ B (into A) Chemicals are injected into the fruit to reduce decay.
•Foam is injected into the walls where it expands and provides insulation.
3. ~ sth (into sth) to add a particular quality to sth
•His comments injected a note of humour into the proceedings.
•They are hoping a change of leader will inject new energy into the movement.
4. ~ sth (into sth) to give money to an organization, a project, etc. so that it can function
•They are refusing to inject any more capital into the industry.
Verb forms:

Word Origin:
late 16th cent. (in the sense ‘throw or cast on something’): from Latin inject- ‘thrown in’, from the verb inicere, from in- ‘into’ + jacere ‘throw’.

Example Bank:
•The animals were injected with small amounts of the chemical.
•trying to inject some new life into their marriage