铅垂线鉛垂線

qiān chuí xiàn

释义

plumbline

在应用里学习 → 按笔顺书写

汉字

铅qiānlead钅几口垂chuíto hang, to dangle; to hand down, to bequeath; almost, near士卄线xiànline, thread, wire; clue, trail纟戋