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
How's your son getting on with his English?
你儿子的英语学得好吗？
One wrong (or false) move can lose the whole game.
棋错一著，全盘皆输。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。