n. 人手掌前端五个长短不一的分支, finger

applicable, lend oneself, apply, be applicable, suit

n. 摆放书籍用的架子, bookshelf

为了解事物性能、事情结果而进行尝试性活动

人所从事的、有一定目标、规模、体系等，并对社会发展有一定影响的工作

v. 从国外引进资本或买进商品(跟"输出"相对), import (as opposed to "输出"), bring in or buy (goods, services or capital) from a foreign country; 科学技术上指能量、信号等进入某种机构或装置, input, feed energy, signals, etc. into a component or circuit