Plethysm
器官血量变化
🗣️ 情景例句
We had a talk.
我们谈了一下。
You should wear a heavy coat, It's below zero today.
你应该穿一件厚大衣，因为今天在零度以下。
and an American-made dialysis machine needs the EU's okay before is hits the market in Europe.
而美国制造的透析仪也要得到欧盟的首肯才能进入欧洲市场。