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refine [美 rəˈfaɪn, 英 rɪˈfʌɪn] 动词 trans

1. refine sugar/oil:

refine
refinar

2. refine (improve):

refine design/style
pulir
refine design/style
perfeccionar

upon [美 əˈpɑn, 英 əˈpɒn] 介词 书

1. upon (on):

she placed the cards upon the table
puso las cartas sobre la mesa
upon their arrival, they were shown to their room
a su llegada, se los condujo a su habitación
there are trains upon the hour, every hour
hay un tren por hora, a la hora en punto
acting upon his advice …
siguiendo sus consejos …
upon my word! veraltend
¡caramba!
upon -ing
al +  infin
upon entering the room
al entrar a la habitación

2. upon (indicating imminent or unexpected arrival):

to be upon sb, the enemy was upon us
teníamos al enemigo encima
winter is already upon us
ya estamos prácticamente en invierno

3. upon (indicating large numbers):

thousands upon thousands
miles y miles
I have sent letter upon letter
he mandado carta tras carta

在《PONS词典》中的词汇

refine [rɪˈfaɪn] 动词 trans

1. refine oil, sugar:

refine
refinar

2. refine technique:

refine
perfeccionar

upon [əˈpɒn, 美 -ˈpɑ:n] 介词 书

1. upon (on top of):

upon
sobre
upon
encima de

2. upon (around):

upon
en
a ring upon the finger
un anillo en el dedo

3. upon (hanging on):

to hang upon the wall
colgar en la pared

4. upon (at time of):

upon her arrival
a su llegada
upon this
a continuación
upon this
acto seguido

5. upon (long ago):

once upon a time
érase una vez
在《PONS词典》中的词汇

refine [rɪ·ˈfaɪn] 动词 trans

1. refine oil, sugar:

refine
refinar

2. refine technique:

refine
perfeccionar

upon [ə·ˈpan] 介词 书

1. upon (on top of):

upon
sobre
upon
encima de

2. upon (around):

upon
en
a ring upon the finger
un anillo en el dedo

3. upon (hanging on):

to hang upon the wall
colgar en la pared

4. upon (at time of):

upon her arrival
a su llegada
upon this
a continuación
upon this
acto seguido

5. upon (long ago):

once upon a time
érase una vez
Present
Irefine
yourefine
he/she/itrefines
werefine
yourefine
theyrefine
Past
Irefined
yourefined
he/she/itrefined
werefined
yourefined
theyrefined
Present Perfect
Ihaverefined
youhaverefined
he/she/ithasrefined
wehaverefined
youhaverefined
theyhaverefined
Past Perfect
Ihadrefined
youhadrefined
he/she/ithadrefined
wehadrefined
youhadrefined
theyhadrefined
See further verb tables

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单语范例（未经PONS编辑处理）

The results represent a fundamental support for the compensation of the panels of fabric in order to refine the erection and pre-tensioning processes.
en.wikipedia.org
After extraction at a cost of $2 per gallon, the oil will be refined at less than $3 a gallon.
en.wikipedia.org
Finally, the crude oil is refined using water precipitation and organic acid, bleaching with clay, and deodorizing using steam distillation.
en.wikipedia.org
The paper extended and refined the theory, included the definitions for three forms of financial market efficiency: weak, semi-strong and strong (see below).
en.wikipedia.org
Rf with a half-life of 65 seconds (later refined to 75 seconds).
en.wikipedia.org

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