Mass tone : Colour of ink in bulk.

墨团色调：一团油墨的颜色。

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Most people think that gaining muscle mass and tone takes months of hard work.

大多数人认为，增大肌肉块和增加肌肉弹性需要月复一月的艰苦锻炼。

youdao

With a blue mass-tone, representing the earth, the sea, the future dream, science and technology, etc.

以蓝色为主色调，代表着地球、梦想、海洋、未来、科技等元素。

youdao

By the time the FBU leader came to the end of his strike-tour of picket lines and mass rallies, his tone was notably more conciliatory.

BBC: Scent of possible compromise

Peter's Basilica, where they celebrated a Mass "for electing the Roman pontiff, " a ceremony that sets the tone for cardinals voting in the conclave.

WSJ: Black Smoke Signals No Pope Yet