Sera equinum
[医] 马血清
🧩 词语组成解析
浆液, 血清\\n[医] 血清; 浆液
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
After dinner sit awhile, after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。