Lesshaft's triangle
[医] 勒斯哈夫特氏三角(腰上三角)
🧩 词语组成解析
🗣️ 情景例句
Where are you from?
你是哪里人？
This is a chair.
这是一张椅子。
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。