希望这有帮助！！

.slice{
    width:238px;
    height:544px;
    overflow:hidden;
    position: relative;
}

.slice img {
    position: absolute;
}

.right-half {
    position: absolute;
    right: 0;
}

.bottom {
  float:right;
  
}

<div class="box">
<div class="slice">
    <img src="https://i.stack.imgur.com/UHwtV.png" /> 
</div>

<div class="slice bottom">
    <img class="right-half" src="https://i.stack.imgur.com/UHwtV.png" /> 
</div>
</div>