Silthiane
硅硫烷(具有Si-S-Si 鍵的有機(jī)硅化合物)
??? 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常來說,忠告都是價值不菲的,但這個是免費(fèi)贈送的。。。
A book is the same today as it always was and it will never change.
一本好書今天如此,將來也如此,永不改變。
When he began to play a tune, we had our first glimpse of the snake.
當(dāng)他開始吹奏一支曲子時,我們才第一次看到那條蛇。
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