You can pick a No. 3 thumb from five possible options, say, and pair it with a No. 2 medial wrist and a No. 4 lateral wrist.
比方说，你可以从五个可能的选项中选择一个3号大拇指，然后将其与2号内侧腕关节和4号外侧腕关节配对。
2
Specifically, the researchers determined whether a volunteer decided to add or subtract two numbers in a math exercise from patterns of brain activity in the medial and lateral prefrontal cortex.
尤其通过中间和侧面前额皮质大脑活动，研究者能判断志愿者做数学题时是决定将两个数字相加还是相减。
3
Supinators tend to wear out the outside part of the bottom of their shoes (the lateral side) before the medial (big toe) side.