viable
/ˈvaɪəbl/adjective
1- capable of working successfully; feasible可望成功的; 切实可行的：
the proposed investment was economically viable.
所提议的投资从经济上说是可行的。
1.1
- Botany (of a seed or spore) able to germinate【植】（种子, 孢子）能发芽的。
1.2
- Biology (of a plant, animal, or cell) capable of surviving or living successfully, especially under particular environmental conditions【生】（植物, 动物, 细胞）活的, 有生活力的; 能生存的 （尤指在特定环境下能存活的）。
1.3
- Medicine (of a fetus or unborn child) able to live after birth【医】（胎儿）能存活的, 能养活的。
派生词
viability
nounviably
adverb词源
early 19th cent.: from French， from vie 'life'， from Latin vita.