Hbeag
乙型肝炎e抗原
🗣️ 情景例句
Perhaps they'll show up. In the meantime,
也许他们会露面。在这等待期间
What is the number?
号码是多少？
I limited myself to two modest ambitions: to do physical exercise every morning and to read more of an evening.
我深知这些问题，于是，今年我对自己的计划要严加保密，只给自己定下两项适中的任务；每天早上锻炼身体，每天晚上多看点书。