Chromic acid anodizing
[化] 铬酸阳极氧化
🧩 词语组成解析
a. 含三价铬的, 铬的\\n[医] 铬的
[化] 阳极氧化; 阳极极化
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。