Cook each vegetable separately until just tender...是什么意思？

Cook each vegetable separately until just tender...

每样蔬菜都单独烹调，煮到稍稍变软就好。

cook

vt.& vi. 烹调，编造，篡改，密谋；vt. 烹调，煮；vi. 烹调，做菜；n. 厨师，厨子；

例句
Spoon the mixture on to the biscuit base and cook in a preheated oven...
把混合好的糊糊舀到饼干坯上，然后放入已预热的烤箱烘烤。

each

adj. 每，各自的；pron. 每个，各自；

例句
They were completely absorbed in each other...
两人彼此倾心。

vegetable

n. 蔬菜，植物人；adj. 蔬菜的，植物的；

例句
On his right was a thriving vegetable garden and beyond it a small orchard of apple trees.
他右边是一个生机勃勃的菜园，菜园的另一边是一个小小的苹果园。

separately

adv. 分别地，另行，分开，单独，分离地，个别地；

例句
Free gifts are dispatched separately so please allow 28 days for delivery.
赠品会分开发送，所以请预留28天的送货期。

until

prep. 到…为止，在…以前；conj. 到…为止，在…以前，直到…才；

例句
The threat is likely to remain in abeyance until next year's meeting in Reykjavik.
这一威胁很可能会一直存在下去，直至明年的雷克雅未克会议。

just

adv. 刚才，仅仅，只是，正好，刚要；adj. 公正的，合理的，恰当的，合法的，正确的；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

tender

adj. 纤弱的，嫩的，温柔的，疼痛的；n. （正式）提出，投标，供应船，联络船，照看者；vt. 正式提出，使变脆弱，<古>温柔地对待；

例句
Young haricot beans have a tender texture and a delicate, subtle flavour...
嫩菜豆口感细腻，味道清香、淡雅。