Polyformaldehyde
聚甲醛
🗣️ 情景例句
Do you speak a foreign language?
你会讲外语吗？
False friends are worse than open enemies.
明枪易躲，暗箭难防。
Certainly. And we also have test results that we're sure you'd be interested to read.
当然，同时我们也有测试结果，我们相信你们会有兴趣看的。