Actionchitin
[机] 线菌壳多糖
🗣️ 情景例句
George Washington sat at that desk
George Washington曾坐在那
More of our worries come from within than from without.
烦恼发乎内者多于发乎外。
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。