Lonchaeidae
尖尾蝇科
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
Every heart has its own sorrow.
人人都有伤心处。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。