Quadripod
平底四角锥体
🗣️ 情景例句
I'm having some trouble keeping food down.
我吃东西时感到困难。
The man is surveying land for a national park.
这个人正在测量国家公园的土地
feel that they have not received adequate treatment unless they are able to carry home with them some tangible remedy in the shape of a bottle of medicine,
觉得没算得到充分的治疗，如果不能带回一些看得见、摸得着的药物回家的话，如一瓶药水、