Tetracyclines
(tetracycline 的第三人称 -s形式) n. 四环素\\n[化] 四环素
🗣️ 情景例句
He doesn't enjoy going to school.
他不喜欢上学。
The shore man is carrying a heavy load.
码头工人在搬运沉重的东西。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。