Ballasting
n. 压舱材料, 道碴材料
🗣️ 情景例句
Everything will be just fine.
一切都会安好的。
I'm afraid there's nothing available before noon.
恐怕中午前是没法看了。
They teach us Chinese and we teach them English. Please write soon!
他们教我们汉语，我们教他们英语。请赶快回信。