Prinipal cutting edge
[机] 主切刀刃
🧩 词语组成解析
[机] 头, 支配者; 主要的, 第一位的
cutting
[['kʌtiŋ]]
n. 切断, 切下, 路堑\\n[化] 切屑
edge
[ɛdʒ]
n. 边;优势;（悬崖、峭壁的）边缘，端;锋利，尖锐;
vt. 在…上加边界;使渐进;给（刀刃）磨边，使锋利;修整;
vi. 慢慢向前移动，侧身移动;
🗣️ 情景例句
that the animal shelter is so careful
动物收容所需要如此小心
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。