occasional
- adj. 偶然的；临时的；特殊场合的
英英释意
- 1. occurring from time to time;
- "took an occasional glass of wine"
- 2. occurring or appearing at usually irregular intervals;
- "episodic in his affections"
- "occasional headaches"
- 3. employed in a specified capacity from time to time;
- "casual employment"
- "a casual correspondence with a former teacher"
- "an occasional worker"