Nylonfix th
羟基苯磺酸甲醛聚合物
🧩 词语组成解析
[医] 钍(90号元素)
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
Don't give up.
别放弃。
What have you enjoyed most?
你最喜欢什么呢？