A black sheep
败家子, 败类, 害群之马
🧩 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;
sheep
[ʃip]
n. 羊，绵羊;胆小鬼;易受人摆布的人;缺乏主见或轻易盲从的人;
🗣️ 情景例句
I love you.
我爱你。
I will be gettinf married next week.
我将在下周结婚。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。