Many openers have a magnet or set of clamps to grip the open lid.

许多开启器是用磁铁或夹具来夹紧要开启的盖子。

《柯林斯英汉双解大词典》

Open and close your fingers or flex your wrist between each grip.

每次抓握的间歇都尝试活动手指及手腕。

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Open and close your fingers or flex your wrist between each grip.

每次抓握的间歇都尝试活动手指及手腕。

youdao