Trichlorosilane
[化] 三氯甲硅烷
🗣️ 情景例句
Fifty years? Wow!
五十年？ 喔！
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
German is a more difficult language than English is.
德语比英语难学。