Polyalkoxysilane
[化] 聚烷氧基硅烷
🗣️ 情景例句
Did you sleep soundly last night.
你昨晚睡得好吗？
Long time no see.
好久不见。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，