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A B C D E F G H I J K L M N O P Q R S T U V W

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radiant heater ¿ç®gµo¼ö¾¹
radiation ¿ç®g¡A©ñ®g
radiator ¿ç®gÅé¡A¿ç®g¾¹¡A´²¼ö¾¹
radicle ­F®Ú
rain sensor «B¤ô·PÀ³¾¹¡A¤U«B³øª¾¾¹
random movement µL³W¹B°Ê¡AÀH¾÷¹B°Ê
rating ÃB©w­È
ray box ¥ú½u½c
reaction ¤ÏÀ³¡A¤Ï§@¥Î¡A¤Ï§@¥Î¤O
reactivity ¬¡¼â©Ê
reactivity series ¬¡©Ê§Ç
reading Ū¼Æ
reagent ¸Õ¾¯
rectum ª½¸z
recycle ´`Àô¨Ï¥Î¡A¦A´`Àô
red blood cell ¬õ¦å²Ó­M¡A¬õ¦å²y
reduction ÁÙ­ì¡AÁÙ­ì§@¥Î
reed ®¤ù
reed relay ®¤ùÄ~¹q¾¹
reed switch ®¤ù¶}Ãö
reflection ¤Ï®g
refraction §é®g
refrigeration §NÂáA§NÂêk¡A§N­á¡A§N«o
reinforced concrete ¿ûµ¬²V¾®¤g
relaxation ÃP¦¢¡AµÎ±i
relay Ä~¹q¾¹
reproduction ¥Í´Þ¡A¥Í´Þ§@¥Î
reproductive cell ¥Í´Þ²Ó­M
reptile ª¦¦æ°Êª«
repulsion ±Æ¥¸¡A¬Û¥¸
residue ´Ý¾lª«¡A´Ý´í
resin ¾ð¯×
resistance ¹qªý¡A¹qªý­È¡Aªý¤O
resistor ¹qªý¾¹¡A¹qªý
respiration ©I§l¡A©I§l§@¥Î
respiratory system ©I§l¨t²Î
response ¤ÏÀ³
retina µøºô½¤
retort stand ÅK¤ä¬[¡AÅK¬[
rheostat Åܪý¾¹¡A¥iÅܹqªý
rib ¦Ø°©
ringed body Àô¸`¨­Åé
rock ©¥¥Û
root ®Ú
root hair ®Ú¤ò
rotary kiln ±ÛÂàû°ŽP
rotary thermometer Âà°Ê¦¡·Å«×­p¡AÂà°w¦¡·Å«×­p
roughage ²ÊÁW­¹ª«
rubber stopper ½¦¶ë
rubber tubing ¾ó½¦ºÞ