object        ob=against反对        ject=jet=喷射，投掷                反对
projector        pro=向前        ject=jet=喷射，投掷        or=名词词尾        投影仪
eject        e=out        ject=jet=喷射，投掷                弹出键
subject        sub=向下        ject=jet=喷射，投掷                使遭受，使服从
physician        physical=身体的        ian=人                内科医生