| boron |
is released naturally into the aquatic environment from weathering of rocks and soil, and is present in municipal sewage.
출처: www3.gov.ab.ca/env/water/SWQ/faqs04.cfm
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|---|---|
| bore |
To pierce solid rock or make a hole with a drill auger or other instruments involving rotation and/or percussion.
출처: laurentian.ca/engr/people/lrudd/MININGDEFANDTERMS....
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| boron |
(Chemical Symbol B)- Element No. 5 of the periodic system. Atomic weight 10.82. It is gray in color, ignites at about 1112
출처: www.mesteel.com/dictionary/b.htm
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| border |
Fabric sewn around the edges of the flag.
출처: www.nava.org/Flag%20Information/dictionary/
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| borderline personality disorder |
persons with this disorder present instability in their perceptions of themselves, and have difficulty maintaining stable relationships. Moods may also be inconsistent, but never neutral - their sense of reality is always seen in "black and white." Persons with borderline personality disorder often feel as though they lacked a certain level of nurturing while growing up and, as a result, incessantly seek a higher level of caretaking from others as adults. ...
출처: www.frankfordhospitals.org/healthinfo/adult/mental...
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