Custom-built system
[计] 专用系统, 定制系统
🧩 词语组成解析
custom
['kʌstəm]
n. 习惯，惯例;海关，关税;经常光顾;[总称]（经常性的）顾客;
adj. （衣服等）定做的，定制的;
built
[[bilt]]
build的过去式和过去分词
🗣️ 情景例句
but just right for us.
但正好够我们住。
Sorry to have kept you waiting.
抱歉使你久等了。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。