I. firm2 [fɜːm] 形
| I | firm |
|---|---|
| you | firm |
| he/she/it | firms |
| we | firm |
| you | firm |
| they | firm |
| I | firmed |
|---|---|
| you | firmed |
| he/she/it | firmed |
| we | firmed |
| you | firmed |
| they | firmed |
| I | have | firmed |
|---|---|---|
| you | have | firmed |
| he/she/it | has | firmed |
| we | have | firmed |
| you | have | firmed |
| they | have | firmed |
| I | had | firmed |
|---|---|---|
| you | had | firmed |
| he/she/it | had | firmed |
| we | had | firmed |
| you | had | firmed |
| they | had | firmed |
单语范例（未经PONS编辑处理）
An airport security firm argued that requiring bras was essential to preserve the orderly appearance of employer-provided uniforms.
en.wikipedia.org X planned to collect a reward from a security firm by informing the police of the existence of a conspiracy to rob a security van.
en.wikipedia.org Director of operations for private security firm, 1991-96.
en.wikipedia.org He set up a private security firm, and stayed away from politics until the 1999 elections.
en.wikipedia.org He also started dabbling in business opportunities by running a private security firm from the watchhouse, with his wife as principal partner, and employing up to 70 people.
en.wikipedia.org