Valviferous
有阀的
🗣️ 情景例句
It sounded like a dog barking.
听起来像狗叫。
Would you mind if I took a day off?
我请一天假可以吗？
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，