Black carbon
[机] 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
to serve the senior citizens
为Riverdale的老年人
Is this a daily flight?
这是每日航班吗？
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。