n. 主要产物, 常用品, 主要要素, 原料, 订书钉, 钩环
a. 主要的, 重要的
vt. 分级, 钉住
英文释义
n. a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn
n. a short U-shaped wire nail for securing cables
n. paper fastener consisting of a short length of U-shaped wire that can fasten papers together
v. secure or fasten with a staple or staples