triangular
adj
1 shaped like a triangle 似三角形的.
2 involving three people 涉及三人的
a triangular contest in an election, ie one with three candidates 竞选中三位候选人的角逐.
For example, you might pick up a travel book and read a few pages before going to sleep. It is enough to dip into it and read bits here and there. In a word, this is tasting.
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.