Foreign material
[化] 外來雜質; 夾雜物; 異物
?? 詞語組成解析
material
[m?'t?r??l]
n. 材料，原料;素材;布，織物;適當人選;
adj. 物質的;肉體的;重要的，決定性的;辯證的，推論的;
??? 情景例句
He is not very interesting to talk to.
跟他談話沒味道。
My favorite game when I was a child was making snow angels in the freshly fallen snow.
我在孩提時代最喜歡玩的游戲，是在剛下的雪上堆雪天使。
I hired a car the day after landing and bought a comprehensive book of maps,
我下飛機后租了一輛車，并買了一本詳盡的地圖冊。