1. 良木非洲楝：西非洲楝 tshimaye | 良木非洲楝 utile | 旋果象耳豆木 timbe;tamboril;timbouva
2. 跑龙套：support 配角 | utile 跑龙套 | technicians工作人员
adj
1. being of use or service
e.g. the girl felt motherly and useful
a useful job
a useful member of society
Synonym: useful