| I | echo |
|---|---|
| you | echo |
| he/she/it | echoes |
| we | echo |
| you | echo |
| they | echo |
| I | echoed |
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| you | echoed |
| he/she/it | echoed |
| we | echoed |
| you | echoed |
| they | echoed |
| I | have | echoed |
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| you | have | echoed |
| he/she/it | has | echoed |
| we | have | echoed |
| you | have | echoed |
| they | have | echoed |
| I | had | echoed |
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| you | had | echoed |
| he/she/it | had | echoed |
| we | had | echoed |
| you | had | echoed |
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单语范例（未经PONS编辑处理）
The fossil includes portions of the intestines, colon, liver, muscles, and windpipe of this immature dinosaur.
en.wikipedia.org In this disorder adenomatous polyps are present in the colon that invariably progress into colon cancer.
en.wikipedia.org Punctuation includes a comma, period, colon, quotation marks, as well as several decorative marks indicating poetic chapter and denoting rank in correspondence.
en.wikipedia.org In the period between the last recording session and the album's release he was diagnosed with colon cancer and successfully treated through surgery.
en.wikipedia.org It is also a complication of jejunoileal bypass, or in any patient who has lost much of the ileum with an intact colon.
en.wikipedia.org