Eriochrome black a
[化] 酸性媒介黑A
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
🗣️ 情景例句
Claims, if any, must be made within 30 days after the arrival of the goods.
索赔必须在货物抵达目的地后30天内提出。
She will go into business when she likes to.
她想经商时就会去经商。
So how did you get into the castle?
那么，你是怎么混入城堡的呢？