Sem.
[医] 种子; 精液
🗣️ 情景例句
I'm not getting on very fast with this job.
我这份工作进展不快。
There isn't much room for doubt in this matter.
关于这件事，不大有质疑余地。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。