Flowmeters
na. 流量计; 流速计
🗣️ 情景例句
I graduated from Nanjing University.
我从南京大学毕业的。
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
I'm doing some washing and John is cooking dinner.
我正在洗衣服，约翰在做晚饭。