Petroleum black
[经] 石油炭黑
🧩 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
I guess you're right.
我想你说得对。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
Insurance companies are normally willing to insure anything.
保险公司一般说来愿意承保一切东西。