Whewellite
水草酸钙石
🗣️ 情景例句
Charley was the star of the team.
Charley，是当时队里的明星。
The sooner, the better.
越快越好。
Radio and television have made it possible for advertisers to capture the attention of millions of people in this way.
电台、电视使做广告的人可以用这种手段吸引成百万人的注意力。