Silicea
硅剂
🗣️ 情景例句
That must be Nat.
这一定是Nat。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
I'm sorry, Mathilde. Have times been hard for you?
玛蒂尔德，我真替你难过。这些年来境况不太好吧？