| 单词 |
jumar |
| 释义 |
jumar
ju·mar J5081850 (jo͞o′mär) n. A device used in ascending a fixed rope, having a springloaded cam that grips the rope when weight is applied but allows free movement upwards when the load is lifted.
[Formerly a trademark.]
ju′mar v. jumar (ˈdʒuːmə) n (Mountaineering) Also called: jumar clamp a clamp with a handle that can move freely up a rope on which it is clipped but locks when downward pressure is appliedvb (intr) (Mountaineering) to climb up a fixed rope using jumars[C20: Swiss name]jumar
Past participle: jumared
Gerund: jumaring
| Present |
|---|
| I jumar | | you jumar | | he/she/it jumars | | we jumar | | you jumar | | they jumar |
| Preterite |
|---|
| I jumared | | you jumared | | he/she/it jumared | | we jumared | | you jumared | | they jumared |
| Present Continuous |
|---|
| I am jumaring | | you are jumaring | | he/she/it is jumaring | | we are jumaring | | you are jumaring | | they are jumaring |
| Present Perfect |
|---|
| I have jumared | | you have jumared | | he/she/it has jumared | | we have jumared | | you have jumared | | they have jumared |
| Past Continuous |
|---|
| I was jumaring | | you were jumaring | | he/she/it was jumaring | | we were jumaring | | you were jumaring | | they were jumaring |
| Past Perfect |
|---|
| I had jumared | | you had jumared | | he/she/it had jumared | | we had jumared | | you had jumared | | they had jumared |
| Future |
|---|
| I will jumar | | you will jumar | | he/she/it will jumar | | we will jumar | | you will jumar | | they will jumar |
| Future Perfect |
|---|
| I will have jumared | | you will have jumared | | he/she/it will have jumared | | we will have jumared | | you will have jumared | | they will have jumared |
| Future Continuous |
|---|
| I will be jumaring | | you will be jumaring | | he/she/it will be jumaring | | we will be jumaring | | you will be jumaring | | they will be jumaring |
| Present Perfect Continuous |
|---|
| I have been jumaring | | you have been jumaring | | he/she/it has been jumaring | | we have been jumaring | | you have been jumaring | | they have been jumaring |
| Future Perfect Continuous |
|---|
| I will have been jumaring | | you will have been jumaring | | he/she/it will have been jumaring | | we will have been jumaring | | you will have been jumaring | | they will have been jumaring |
| Past Perfect Continuous |
|---|
| I had been jumaring | | you had been jumaring | | he/she/it had been jumaring | | we had been jumaring | | you had been jumaring | | they had been jumaring |
| Conditional |
|---|
| I would jumar | | you would jumar | | he/she/it would jumar | | we would jumar | | you would jumar | | they would jumar |
| Past Conditional |
|---|
| I would have jumared | | you would have jumared | | he/she/it would have jumared | | we would have jumared | | you would have jumared | | they would have jumared |
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