A.t.
[医] 旧结核菌素
🗣️ 情景例句
You're a real friend!
你是个真正的朋友！
The dust raised by the sheep does not choke the wolf.
羊踩起的灰尘挡不住狼。
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。