牢固的, 安全的, 固定的
fixed or fastened so as not to give way, become loose, or be lost
範例:• Make sure the ladder is secure before you climb it.爬梯子前請確保它已固定好。• The boat was tied to the dock with a secure knot.船用一個牢固的繩結繫在碼頭上。同義詞:fastenedfixedattachedsecuredstablefirmtightanchoredmoored