Passive film
[化] 钝化膜
🧩 词语组成解析
film
[fɪlm]
n. 影片;电影;胶片;薄层;
vt.& vi. （把…）拍摄（成）电影[电视等];上镜头;
vt. （给…）覆上一薄层;生薄膜;变得朦胧;
🗣️ 情景例句
Now point to the buildings.
现在请指着那些建筑物。
Two dogs strive for a bone,the third runs away with it.
两狗相争一骨头，第三只狗衔起走。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，