TSUMUGU · TOCFL 5 (est.) · 詞
雷達
word · TOCFL 5 (est.)
ㄌㄟˊ ㄉㄚˊ · léidá
noun — radar, the device that bounces radio waves off objects to locate them
字源 FORM — what the parts do
雷thunder (打雷)léirenders the "ra" of radar 達to reach; to arrive (到達)dárenders the "dar" of radar, chosen for sound 雷達，打雷的雷，到達的達。
故事 STORY — a scene to remember it by
一聲像雷（雷）的電波打出去，碰到東西就傳回（達）。
A thunder-like (雷) pulse goes out and reaches back (達) off whatever it strikes.
字源記憶法