lower-grade的例句大全

The author of this paper intends to explore some basic strategies to improve lower-grade mental arithmetic teaching practice.

有许多专家、学者和教师从教学实践出发，探讨口算教学现状及策略，取得了一定的成效，本论文基于以上研究提出了改进小学低年级口算教学的基本策略。

"You have the iron ore price going up, and that rise being sustainable, making lower-grade deposits profitable," he said.

“首先是铁矿石价格正在上涨，而这种上涨是可持续的，这使较低品位的矿床也能盈利，”他表示。

Burley tobacco is a lower-grade variety of the leaf used to fill cigarettes flavored with-grade-cured tobacco.

白肋烟是一种 低等级 的烟叶品种,用来和高等级的 烤烟 烟叶一起填充卷烟味道.

High-grade students active in general, lower-grade students in general good and so quiet.

高年级学生总体好动, 低年级学生总体好静等等.