Eicosamethylnonasiloxane
[化] 二十甲基壬硅氧烷
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
He learns Japanese every day.
他每天都学日语。
At present, they are visiting all parts of the country.
目前他们正在全国各地巡回演出，