Black stoek
[机] 炭黑混合物
🧩 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
The whole house needs re-painting.
整个房间需要重新粉刷。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。