 
  
 I. drone [drəʊn, 美 droʊn] 名词 no pl
1. drone (sound):
2. drone (male bee):
-  drone 引 贬
-  
ˈdrone at·tack 名词
| I | drone | 
|---|---|
| you | drone | 
| he/she/it | drones | 
| we | drone | 
| you | drone | 
| they | drone | 
| I | droned | 
|---|---|
| you | droned | 
| he/she/it | droned | 
| we | droned | 
| you | droned | 
| they | droned | 
| I | have | droned | 
|---|---|---|
| you | have | droned | 
| he/she/it | has | droned | 
| we | have | droned | 
| you | have | droned | 
| they | have | droned | 
| I | had | droned | 
|---|---|---|
| you | had | droned | 
| he/she/it | had | droned | 
| we | had | droned | 
| you | had | droned | 
| they | had | droned | 
 
  
 