Prefix expression
[计] 前缀表达式
🧩 词语组成解析
prefix
['pri:fiks]
n. <语>前缀;人名前的称谓;前置代号（置于前面的单词或字母、数字）;
🗣️ 情景例句
I can't believe this is really happening!
我不敢相信这一切真的发生了
John is really scared of airplanes.
约翰真的很怕乘坐飞机。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。