Stepwise installation
[计] 逐步安装
🧩 词语组成解析
a. 楼梯式的, 逐步的
installation
['ɪnstə'leʃən]
n. 安装;装置;永久性军事基地;就职;
in 向内，进入 + stall放 + ation名词后缀 → install安装+ation名词后缀 → 安装；装置；设施
🗣️ 情景例句
I don't know.
我不知道。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
I did it, I'm so happy now.
我做到了，现在我很满意。