Janeckeite
硅酸三钙石
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
This greatly reduced the speed of the ship,
这样一来，大大降低了船的航速。