The ability of coal to release a combustible gas has long been known.
人们早已知道煤能够释放一种易燃气体。
I was desperate to change the subject, and we moved to less combustible talk about her future plans.
我急切地想换个话题,于是我们就开始谈论起她对将来的打算,这样气氛能缓和一点。
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切換為繁體中文