adventitious deposit

例句：

1. 1. The accident wasadventitious and not the faultof either driver.
   这次事故是偶然发生的，不是任何一方的过错。
2. 2. The research teamdiscovered an adventitious species thathad been overlooked by previous studies.
   研究小组发现了一种被先前研究忽略的偶发物种。
3. 3. The company's decision to investin a new technology was adventitious, but it has led to significantgrowth.
   公司决定投资新技术的决定是偶然的，但它已经导致了显著的增长。