The appropriate key(s) will be shaded to indicate the type of attack(s) each technique helps to prevent.

对于每种技术，适当的方块将加上底纹，表示这种技术有助于防范的攻击类型。

youdao

The four squares will be shaded as appropriate to represent the type of attack this technique helps to prevent

这四个方块加了适当的底纹，以代表这种技术有助于防范的攻击类型

youdao

The four squares will be shaded as appropriate to represent the type of attack this technique helps to prevent

这四个方块加了适当的底纹，以代表这种技术有助于防范的攻击类型

youdao