Cephanone
唑酮头孢菌素钠
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
You will leap for joy when you hear the answer.
如果你听到了答案，你会高兴的跳起来的。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。