国际音标

注射，注入

词根法分析

in-（进入）+ ject（投掷）→ 注射，注入

• in-前缀，表示‘进入’或‘向内’
• ject来自拉丁语‘jacere’，意为‘投掷’或‘扔’

例子

• ejecte-（出）+ ject（投掷）→ 弹出，驱逐
• projectpro-（向前）+ ject（投掷）→ 投射，计划

练习

• injectionin-（进入）+ ject（投掷）+ -ion（名词后缀）→ 注射
• rejectre-（回）+ ject（投掷）→ 拒绝

造句

• The doctor will inject the vaccine into your arm.
• He injected a sense of urgency into the meeting.
• The new policy was designed to inject more capital into the economy.