semi-enclosed slot

例句：

1. 1.The device has a semi-enclosed slot for easy access to the battery.
   这个装置有一个半封闭的插槽，便于电池的访问。
2. 2.The car has a semi-enclosed slot for the rearview mirror.
   汽车有一个半封闭的插槽用于后视镜。
3. 3.The computer keyboard has a semi-enclosed slot for the USB port.
   计算机键盘有一个半封闭的插槽用于USB端口。