Well, one portion has two meat dishes and one vegetable.

哦， 一份饭有两样荤菜和一样蔬菜。

youdao

One portion should be white fish, and one portion should be oily fish.

一类应当为白肉鱼，另一份为多油脂的鱼。

youdao

Animals need to eat many portions of plants to produce one portion of meat.

动物长一点肉需要吃掉大量植物。

youdao

Even the smallest daily activity, like brushing one's teeth, requires a trip to the tank, where people pay a large portion of their meager salaries for containers of cloudy,brackish water.

VOA: standard.2010.08.04

Some small subsets do but most of the cells in your brain don't proliferate and that's because they get trapped at one portion of the cell cycle.

除了很小一部分以外大部分脑细胞不增殖,这是因为,它们停滞于细胞周期的某个阶段

耶鲁公开课 - 生物医学工程探索课程节选

And this one will be particularly germane to a portion of Problem Set 1, at least in Problem Set 1.

这个程序跟习题集1中的,一部分比较相似，至少在习题1中。

哈佛公开课 - 计算机科学课程节选

But they advised people against eating more than one portion each week of either shark or swordfish or marlin.

BBC: Predatory fish health warning

So, the rigidity of one portion of the economy increased rapidly.

FORBES: NGDP in the Long Run and Economic Plasticity

Instead of viewing a biological change in one portion of a cell, researchers using the Analyzer can track three different parts using highly precise lasers and digital cameras.

FORBES: Laser light shows