Deuteriocarbon
氘化碳, 氘烃
🗣️ 情景例句
Oh, yes! Harvey Carlson! I remember.
噢 ，是的， Harvey Carlson 我记得。
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
Not realizing who she was, the assistant was eager to serve her this time.
那个售货员没有认出她是谁，这一回接待她的态度非常殷勤。