Theca cordis
[医] 心包
🧩 词语组成解析
n. 囊, 膜, 鞘\\n[医] 膜, 鞘
adj. 心脏的
🗣️ 情景例句
but it is.
但实际上很要紧。
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
Finally, turn off the lights and lock the door.
最后，关上灯，锁好门。