磋
=
差
+
石
:
Kitty Cat (cu) is going to give a presentation at a meeting in front of the observatory (o1). To improve her presentation she is polishing (磋) her error bars (差) with a stone (石).
difference; discrepancy / (math.) difference (amount remaining after a subtraction) / (literary) a little; somewhat; slightly
差
=
工
+
羊
:
Charlie Chapling is juggling steel beams in front of the ashram. A sheep is making an error bar graph representing Charlie's number of tries to juggle as long as possible without letting the beams fall down.
surname Shi / abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1]
石
=
丆
+
口
:
Sherlock Holmes finds the space station's entrance blocked by a big rock. He uses a wind wheel and a mandarin to build a lever, with which he is able to move the rock.
rock / stone / stone inscription / one of the eight categories of ancient musical instruments 八音[ba1 yin1]
石
=
丆
+
口
:
Sherlock Holmes finds the space station's entrance blocked by a big rock. He uses a wind wheel and a mandarin to build a lever, with which he is able to move the rock.