Gerotor
内齿轮油泵
🗣️ 情景例句
That's all right.
没关系。
Sharp stomachs make short graces.
饿的肚子顾不到体面。
Oh, Pierre, how wonderful! But I don't think we can go. I haven't got an evening dress for the ball! And a new dress costs over four hundred francs.
啊，比尔，太棒了！不过，我想我们去不成。我没有参加舞会的晚礼服啊！而一件新的晚礼服得花400多法郎。