expansion slot
扩充槽，扩充插槽
同义词
参考例子
1.This F1 phone also features a Video Player, Music player and a memory expansion slot.
这款F1手机相当于一台录像机，一台音乐播放器，并且有记忆存储卡卡槽。
2.Adds a long card that fits in an expansion slot in a personal computer to your network diagram.
在网络图中添加安装在个人计算机扩展槽中的长卡。
3.NIC is a printed circuit board that fits into the expansion slot of a bus on a computer motherboard. It can also be a peripheral device.
NIC是一个预先烧好的电路板，可以插入电脑主机板汇流排的扩充槽，又称为网路卡。
英文解释
n.
1.(computer) a socket in a microcomputer that will accept a plug-in circuit board
网络释义
expansion slot
扩展槽; 扩充槽; 扩充插槽; 胀槽;
Expansion Black Slot
（主板上的）扩展槽;
j Expansion Slot
（主板上的）扩展槽;
expansion slot card
扩充槽卡;
expansion slot of a bus in a computer's motherboard
在计算机母板上总线的扩展槽;