Allautal
纯铝包皮铝合金板
🗣️ 情景例句
The bride's wedding gown is so beautiful.
新娘的婚纱太漂亮了。
Let me explain my actions.
请听我解释。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。