I chose black for easier reference.

我选择黑色方便表述。

youdao

Connect the black (or Reference ") alligator clip to the right wrist electrode patch."

将黑色的(或“参考”)微型鳄鱼夹连接到右腕的电极片上。

youdao

Connect the black (or Reference ") alligator clip to the right wrist electrode patch."

将黑色的(或“参考”)微型鳄鱼夹连接到右腕的电极片上。

youdao