Deuterohydrogen
[醫] 氘(音刀), 重氫
??? 情景例句
Thanks, Dad.
謝謝， 爸爸。
Self-praise is no recommendation.
自我吹噓，決不可取。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告訴你的，但你沒在辦公室。