Cephamycin
头霉素
🗣️ 情景例句
It is 90 points.
90分。
Where the knot is loose the string slips.
结子一松掉，绳子就滑脱。
It broke down at Ferngreen station and was taken off the line.'
它在芬格林车站出了故障而被取消了。”