I. crack [kræk] 名词
II. crack [kræk] 动词 trans
III. crack [kræk] 动词 不及物动词
| I | crack |
|---|---|
| you | crack |
| he/she/it | cracks |
| we | crack |
| you | crack |
| they | crack |
| I | cracked |
|---|---|
| you | cracked |
| he/she/it | cracked |
| we | cracked |
| you | cracked |
| they | cracked |
| I | have | cracked |
|---|---|---|
| you | have | cracked |
| he/she/it | has | cracked |
| we | have | cracked |
| you | have | cracked |
| they | have | cracked |
| I | had | cracked |
|---|---|---|
| you | had | cracked |
| he/she/it | had | cracked |
| we | had | cracked |
| you | had | cracked |
| they | had | cracked |
单语范例（未经PONS编辑处理）
The building itself suffered damages from sand penetrating cracks in the walls.
en.wikipedia.org The last work on the watchtower came in 1994, but cracks in the overall structure and in the bell remain.
en.wikipedia.org Lack of caulk or voids in the caulk put in the joints or cracks leads to cracks around the joints.
en.wikipedia.org I'd recommend keeping your electronics a safe distance away from this end table, as it's entirely possibly they could get wiped if they fell in the cracks.
www.gizmodo.com.au These protrusions are caused as the body acts to fill in cracks in joint cartilage and can snap off and grind against healthy tissue.
www.express.co.uk