Tripropylene
三聚丙烯
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
True love is giving,not taking.
真挚的爱是给，不是取。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。