Pneumatometry
呼吸气量测定法
🗣️ 情景例句
Please, come in. Join us.
请进。跟我们一起吃吧。
I told him to come in for a few minutes.
我告诉他进来等几分钟。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，