Not system
[计] \非\系统
🧩 词语组成解析
not
[nɑt]
adv. 不;[用以表示否定、否认、拒绝、禁止等]不是;几乎不;未必，没有[用于否定后面的词或短语];
🗣️ 情景例句
He has realized how precious health is.
他已经体会到健康的可贵。
I have just finished my work.
我刚刚完成我的工作。[表示刚刚完成的动作]
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。