Impure methane
[化] 沼气
🧩 词语组成解析
impure
[[im'pjuə]]
a. 不纯的, 肮脏的, 掺杂的, 混合的\\n[医] 不纯的
methane
['meθein]
n. <化>甲烷，沼气;
🗣️ 情景例句
Affectionately, Uncle John.
爱你的，约翰叔叔。
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。