bast例句

Trichophyton mentagrophytes activity of three different bast fibers - hemp, flax and ramie fibers.
本文以汉麻韧皮和亚麻织物为原料,在不同的活化条件下制备出活性炭纤维样品.

He is very hard - working and always does his bast.
他很努力,总是尽自己最大的力量.

What is attached is past tense change for irregular vebs bast.
附录里有常用不规则动词的过去式和过去分词转换形式.