Simbal
辛巴尔型矿用呼吸器
🗣️ 情景例句
How do I find the bus stop?
我怎样才能找到车站？
The lone sheep is in danger of the wolf.
孤独的羊难免遭狼的危险。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。