Grain boundary
[化] 晶界; 晶粒间界
🧩 词语组成解析
grain
[ɡren]
n. 谷物，粮食;（沙，金，盐等的）颗粒;谷粒，籽粒;（木材，大理石等的）纹理;
vt. 把…作成细粒;把…漆[画]成木纹;染透;刮去（皮上的）毛;
vi. 成谷粒;
🗣️ 情景例句
What kind of computers are you experienced in?
你熟悉哪种电脑？
Have you taken a bus?
你坐过汽车吗？
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。