Merkel's muscle
[医] 美克耳氏肌, 角环肌
🧩 词语组成解析
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
Self-trust is the first secret of success.
自信是成功的首要秘诀。
but since the porter agreed with him,
但既然看门人也同意他的意见，