1. | [u][c] 谷物；谷粒the small hard seeds of food plants such as wheat , rice, etc.; a single seed of such a plant |
America's grain exports 美国的谷物出口 | |
a few grains of rice 几粒大米 |
2. | [c] 颗粒；细粒a small hard piece of particular substances |
a grain of salt/sand/sugar 一粒盐╱沙╱砂糖 |
3. | [c] 少量；微量；一点儿a very small amount |
There isn't a grain of truth in those rumours. 那些谣传一点也不可靠。 |
4. | [c] 格令（重量单位，等于 0.00143 磅或 0.0648 克，用于称量药物等）a small unit of weight, equal to 0.00143 of a pound or 0.0648 of a gram, used for example for weighing medicines |
5. | [u] （木、织物或石头等的）纹理the natural direction of lines in wood, cloth, etc. or of layers of rock; the pattern of lines that you can see |
to cut a piece of wood along/across the grain 顺着纹路劈木头；横对纹路把木头拦腰截断 |
6. | [u][c] （表面的）质地；触感how rough or smooth a surface feels |
wood of coarse/fine grain 质地粗╱细的木头 |
