Forepumping
前级抽气
🗣️ 情景例句
About the quality of 500 cartons of tin food we ordered last time.
是关于我们上次定购的500箱罐头食品的质量问题。
How much is this?
这个多少钱？
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。