Graface
石墨-二硫化钼固体润滑剂
🗣️ 情景例句
It is great.
的确是太好了。
I learned geography last week.
我上星期学地理。
In summer, people like to go sailing, swimming, horse-riding, and rock-climbing in the mountains.
夏天，人们喜欢去扬帆航行、游泳、骑马，还到山里去攀岩。