Cerrobase
低熔点铅合金
🗣️ 情景例句
Hi, Marilyn,
嗨 ，Marilyn。
Buyers always pay great attention to packing.
买方通常很注意包装。
They were climbing up the wall of the house and then on to the leaves of the tree.
它们正在顺着房子的外墙往上爬，然后爬上树叶。