Derlin
缩醛树脂
🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
I say little but I think the more.
我说得少，但我想得多。
We can't split open a case to fill your order.
因为我们不能拆箱来凑足你的订量。