Bitumite
烟煤
🗣️ 情景例句
Under these conditions of payment,-
在这种付款条件下，-
Trust not a great weight to a slender thread.
细线挂重物，终究不可靠。
But why did white people want to catch Africans and put them in chains?
但是为什么白人要把非洲人抓起来，戴上镣铐呢？