Liquidensitometer
液体密度计
🗣️ 情景例句
The pictures you've taken are fabulous, Richard.
你拍的照片太精采了， Richard。
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
She enjoyed herself making the assistant bring almost everything in the window before finally buying the dress she had first asked for.
她开心地迫使那位售货员把橱窗里几乎所有的东西都拿了出来，最后才买下了她最先要看的那一件。