Black belt
辅助 Assistantn. （柔道等有道位者所系的）黑腰带的, 黑腰带级选手（柔道中达到最高级别者）
🧩 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;
belt
[bɛlt]
n. 腰带;区域;传送带;带状物;
vt. 环绕，包围;用带做记号;用力打;绕着系上带子;
🗣️ 情景例句
It's his first venture into business.
他初涉商界。
I understand you are coming to work for us.
我听说你要来为我们工作。
'I suppose it would, but I never catch a later train.'
“我认为可以，但我从来不乘晚一点儿的车。”