grain
/greɪn/
a relatively small granular particle of a substance
中文释义：颗粒；谷物
A single grain of sand can be seen under a microscope.
一粒沙子可以在显微镜下被看到。
Whole grains are an important part of a healthy diet.
全谷物是健康饮食的重要组成部分。
/greɪn/
a relatively small granular particle of a substance
中文释义：颗粒；谷物
A single grain of sand can be seen under a microscope.
一粒沙子可以在显微镜下被看到。
Whole grains are an important part of a healthy diet.
全谷物是健康饮食的重要组成部分。