Cathetus
中直線
??? 情景例句
I know you 're a CPA.
我知道你是一位會計師。
My hobby is collecting stamps.
我的嗜好是收集郵票。
Byrd at once ordered his men to throw out two heavy food sacks.
伯德馬上命令他的助手們把兩個沉重的食物袋扔掉，