Lnp
下肢负压
🗣️ 情景例句
I am on speaking terms with him.
我和他只是泛泛之交。
It sucks!
好烂！
In all the less controversial fields, like the study of cacti or termites or the nature of nebulae,
在一切争议较小的领域里，如对仙人掌、白蚁或星云性质的研究，