adventitious
UK/.ædven'tiʃәs/US
TOEFLGREC1
释义
adj.
Coming from an outside source; happening by chance, not planned
外来的;偶然的
adj.
(botany) growing from an unusual position, e.g. roots from a stem
(植物学)不定的(如不定根)
词根拆分
词根派生源自拉丁语 adventicius,ad-(朝向)+ vent(来)= "从外面来的、偶然到来的"。与 advent 同根。植物学上,adventitious roots(不定根)是从意想不到的位置「冒出来」的根。
词根 ven 还连着 84 个词例句
- 1.
The discovery was adventitious rather than the result of careful planning.
这一发现是偶然的,并非精心计划的结果。