Silicones
[化] 有机硅氧聚合物
🗣️ 情景例句
with a view of the Hudson River?
可以看到Hudson河？
My cousin is a member of a drama club, He seems acting.
我的表兄是一个戏剧俱乐部成员，他似乎很喜欢表演。
Do we have to wear the helmets?
我们得戴上防护帽吗？