Lignitic
a. 褐煤的, 含褐煤的
🗣️ 情景例句
The age range is from 6 months to 47 years.
年龄档次从6个月到47岁不等。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
It was j-223,just double the second item.
j-223第二项的订量要加倍。