Reference model
[计] 引用模型
🧩 词语组成解析
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
I answer telephones and do some typing.
我接电话和打字。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。