subtend [美 səbˈtɛnd, 英 sʌbˈtɛnd] 动词 trans
-  subtend
-  
| I | subtend | 
|---|---|
| you | subtend | 
| he/she/it | subtends | 
| we | subtend | 
| you | subtend | 
| they | subtend | 
| I | subtended | 
|---|---|
| you | subtended | 
| he/she/it | subtended | 
| we | subtended | 
| you | subtended | 
| they | subtended | 
| I | have | subtended | 
|---|---|---|
| you | have | subtended | 
| he/she/it | has | subtended | 
| we | have | subtended | 
| you | have | subtended | 
| they | have | subtended | 
| I | had | subtended | 
|---|---|---|
| you | had | subtended | 
| he/she/it | had | subtended | 
| we | had | subtended | 
| you | had | subtended | 
| they | had | subtended | 
