Black leader
【矿物】石墨，笔铅，黑铅
🧩 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 don't know if I can get to sleep.
我不知道我能否睡得着。
I used to set my alarm clock for exactly 7 a.m.
我过去常将闹钟调为上午7点整。
In time, it became an accepted fact the Cox brothers employed a conscientious ghost that did most of their work for them.
随着时间的流逝，考科斯兄弟雇了一个尽心尽责的鬼，他们家的活大部分都让鬼给干了，这件事成了公认的事实。