英:[æd'ventɪv]
美:[æd'ventɪv]
英:[æd'ventɪv]
美:[æd'ventɪv]
n.
外来的动物或植物
adj.
外来的,非本土的,偶发的
ad·ven·tive
d ven tihv
adventively (adv.)
词根:adventive
adjective
not native to or fully established in a locale or environment, as a plant or animal.
noun
a plant or animal introduced into a new locale or environment and not yet fully established.
偶然的
advent- (in adventitious) + -ive
The first known use of adventive was in 1856
1 The process itself is referred to as adventive embryogenesis.
其过程本身称为不定胚胎发生。
2 A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.
不定胚与合子胚之间不能划分出明显的界限。
3 Accidentally or sparingly spontaneous in a country or district; not fully naturalized; adventive; Ð applied to foreign plants.
4 The process itself is referred to as adventive embryogenesis.
其过程本身称为不定胚胎发生.
5 A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.
不定胚与合子胚之间不能划分出明显的界限.
6 European goosefoot with strong - scented foliage; adventive in eastern North America.
欧洲的一种藜属植物,叶具有强烈的气味; 被引入北美东部.
7 So..tenderly had he captured the adventive minute.
1 不定
infinite arbitrary planetary indefinite movable wayward indeterminate incalculable equivocal fitful adventitious inconstant aoristic indeterminacy indetermination
3 不定的
infinite arbitrary planetary indefinite movable wayward indeterminate incalculable equivocal fitful adventitious inconstant aoristic
4 偶生的
5 引进的
7 外来植物
8 引进品种
9 非本土的