你的意思是？
protracted [prəˈtræktıd] 形
protractor [prəˈtræktə] 名词
II. contract [ˈkɒntrækt, kənˈtrækt] 动词 trans
III. contract [ˈkɒntrækt] 动词 不及物动词
| I | protrude |
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| you | protrude |
| he/she/it | protrudes |
| we | protrude |
| you | protrude |
| they | protrude |
| I | protruded |
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| you | protruded |
| he/she/it | protruded |
| we | protruded |
| you | protruded |
| they | protruded |
| I | have | protruded |
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| you | have | protruded |
| he/she/it | has | protruded |
| we | have | protruded |
| you | have | protruded |
| they | have | protruded |
| I | had | protruded |
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| you | had | protruded |
| he/she/it | had | protruded |
| we | had | protruded |
| you | had | protruded |
| they | had | protruded |
单语范例（未经PONS编辑处理）
During the transverse lifts, the scapulae will also articulate and adduct/retract as the weights lift, then abduct/protract as the weights are lowered.
en.wikipedia.org Some lifters will retract the scapulae and hold them there, as opposed to letting them protract, to get a better stretch in the posterior deltoid.
en.wikipedia.org Spawning is seasonal, but it is protracted in the warmer waters of the tropics.
en.wikipedia.org However, the construction is protracted by a number of delays, mainly due to an unforeseen number of changes to the plans during construction.
en.wikipedia.org In other words, they have the ability to protract their claws from a retracted, at-rest position.
en.wikipedia.org