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
worrying about him.
为他操心。
She lost her dignity.
她失去了镇定。
His engine failed and he landed on the sea for the second time.
这次他又遭厄运，因引擎故障第二次降落在海面上。