Maintenance subsystem
[计] 维护子系统
🧩 词语组成解析
subsystem
['sʌbˌsɪstəm]
n. 子系统，分系统;
🗣️ 情景例句
But when Robbie was born,
但当Robbie出生后，
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
My wife was delighted that things had returned to normal once more.
一切又都恢复了正常，为此我妻子十分高兴。