projectile什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

projectile 音标：[prəˈdʒektaɪl]

n.抛射体；（炮弹、子弹等）射弹，（火箭等）自动推进的武器；adj.向前开进的；推进的；抛掷的；弹射的

◆记忆方法一：
词根词缀记忆法：projectile n 抛射物；导弹（project+ile物体→向前扔的物体）,ject=throw,cast,表示“投掷，扔”
◆记忆方法二：
词根词缀记忆法：projectile n 抛射物（project投射）,“ile”表名词，“物体”

Six months for the projectile to encyst before the knees can be opened safely.

有六个月时间让弹片结成胞囊，在膝头上动手术才能安全。

N-COUNT. 射弹；抛射物；发射物. A projectile is an object that is fired from a gun or other weapon.