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
This is the big moment.
这可是关键时刻。
How low-class!
真低级!
Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles iron solar system.