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
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
The fox changes his skin but not his habit.
狐狸可以改变皮毛，但不能改变习性。
I arranged to meet Jane after work last night but she didn't turn up.
我昨晚安排下班后见简，但她没来。