1. 偶然地/意外地：fortuitous /偶然的/ | fortuitously /偶然地/意外地/ | fortuity /偶然/意外/偶然事件/
2. 偶然地,不规则地：orbital 轨道 | valence 化合价 | fortuitously 偶然地,不规则地
1. Fortuitously that might have helped expose him to a rich variety of influences.
911查询·英语单词
adv
1. by good fortune
e.g. fortunately the weather was good
Synonym: fortunately luckily as luck would have it