Polyalkoxysilane
[化] 聚烷氧基硅烷
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
Be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
I lost the door key about here.
我在这附近掉了门钥匙。