I. signal [ˈsıgnəl] 名词
II. signal <signal(l)ed; signal(l)ing> [ˈsıgnəl] 动词 不及物动词
| I | signal |
|---|---|
| you | signal |
| he/she/it | signals |
| we | signal |
| you | signal |
| they | signal |
| I | signalled / 美 signaled |
|---|---|
| you | signalled / 美 signaled |
| he/she/it | signalled / 美 signaled |
| we | signalled / 美 signaled |
| you | signalled / 美 signaled |
| they | signalled / 美 signaled |
| I | have | signalled / 美 signaled |
|---|---|---|
| you | have | signalled / 美 signaled |
| he/she/it | has | signalled / 美 signaled |
| we | have | signalled / 美 signaled |
| you | have | signalled / 美 signaled |
| they | have | signalled / 美 signaled |
| I | had | signalled / 美 signaled |
|---|---|---|
| you | had | signalled / 美 signaled |
| he/she/it | had | signalled / 美 signaled |
| we | had | signalled / 美 signaled |
| you | had | signalled / 美 signaled |
| they | had | signalled / 美 signaled |
单语范例（未经PONS编辑处理）
When the traffic signal turns green, these vehicles are served in a first-in-first-out (FIFO) order.
en.wikipedia.org Stop arms and signal lamps must be disabled or removed.
en.wikipedia.org A group will use carolling as a signal to advertise ownership and warn off other magpies.
en.wikipedia.org They are unable to signal it before it leaves, but two men arrive in a rowboat with supplies for the professor.
en.wikipedia.org Transmission of a digital message, or of a digitized analog signal, is known as data transmission or digital communication.
en.wikipedia.org