Fleximer
[建]水泥-橡胶-乳胶混合料
🗣️ 情景例句
When I told them
当我告诉他们
All truths are not to be told.
真理并不都能说得清。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。