Intentional learning is the process whereby an individual aims to learn something and goes about achieving that objective.

有意学习个体以学会某事物会目标、并为之努力的过程。

Most previous second language vocabulary acquisition research has focused on incidental learning, and yet little is known about intentional learning.

二语词汇习得研究多关注二语学习者的顺带词汇学习，而二语学习者的刻意学习少有提及。