V.s.
[医] 滴定[用]溶液, 定量溶液
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
Keep your breath to cool your porridge.
少管闲事。
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。