Carbonaceous matter
[建] 含碳物质
🧩 词语组成解析
a. 碳的, 碳质的, 含碳的\\n[建] 含碳的
matter
['mætɚ]
n. 事件;（讨论、考虑等的）问题;重要性;物质;
vi. 要紧，重要;化脓;有重大影响;有重要性;
🗣️ 情景例句
I received a letter from my parents this morning.
今天早上我收到父母一封信。
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
As the floods had put the telephone out of order, we could not find out how they were managing.
由于洪水造成了电话中断，我们无法了解他们情况。