Icosane
二十碳烷
🗣️ 情景例句
Please accept our apologies.
请接受我们的歉意。
One father is more than a hundred school-masters.
一个父亲胜于一百个教师。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。