It is suggested that sunscreen be applied every one to two hours in a sunny day.

建议在晴朗天气里每隔一到两个小时涂抹防晒霜。

Neutral and pale lip colors look washed out in photographs, so choose a lipstick that's one to two shades brighter than what you normally wear.

中性色和淡色的嘴唇在照片里会显得苍白，所以应选择一种比你平常涂的口红亮一到两个色度的口红。

So from one to two it's isothermal.

从一点到二点是等温过程。

Most funds manage only one to two years.

（而）大部分的基金管理者只设定了一两年的期权锁定。

One to two tablespoons of cooked vegetables.

1 ~ 2大汤勺的煮熟的蔬菜。