For members of the seventeenth-century Ashanti nation in Africa, animal-hide shields with wooden frames were essential items of military equipment, a method to protect warriors against enemy arrows and spears.
a method to protect
as a method protecting
protecting
as a protection of
to protect
A a method解释不了equipment
B 很奇怪
D页很奇怪 E 去掉,就好了
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