Portfire
n. 点火装置
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
To show our gratitude to all of you for being our reliable business partners.
为表达我们对你们——我们值得信赖的生意伙伴的感谢。
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。