拇伸直 的英文怎麼說
中文拼音 [mǔshēnzhí]
拇伸直
英文
pollex extensus-
At arm s length, the angular size of our fists is about 10, fingers is about 1 and the tip of the thumb to the tip of the little finger of an extended hand is about 20
將手伸直后,拳頭的角大小約為10度,手指約為1度,若把手掌張開,由拇指尖至小指尖的角距則約為20度。
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