abbr. serum angiotensin-converting-enzyme 血清血管紧缩素转换酶; systems acceptance check-out equipment 系统接受结账装备
🗣️ 情景例句
He doesn't enjoy going to school.
他不喜欢上学。
I always used to leave for work at 8:30.
我过去总是在8:30离开去工作。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.