Perdeuteriomethane
全氘甲烷
🗣️ 情景例句
That was a big dinner, and I'm stuffed.
晚餐真丰盛啊！我吃多了！
One father is more than a hundred schoolmasters.
一个父亲胜于一百个教师。
drawing the particle first towards the advancing wave,
先把微粒拉向前移的海浪，