油囊
词典oil sac：（柑橘类果实的）油胞。
1. 911chaxun查询·英语单词
1. oil sac：oil plant 油脂植物 | oil sac 油囊 | oil vacuole 油胞
2. oil pocket：油塞 oil plug | 油囊 oil pocket | 油罐 oil pot