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
when she was running for the school board.
在妈妈竞选联合校董会席次时。
Misfortune is a good teacher.
不幸是良师。
He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.
晚会结束时，他嘴里还在嘟哝着医院的事，突然踩到一块冰上滑倒了，摔断了左腿。