Mesophlebium
靜脈中層; 靜脈中層
??? 情景例句
I'm taking too much of your time.
我耽誤了你很多時間。
I asked him to check it for me, but he wouldn't.
我請他幫我檢查，但是他不肯。
OK, Mom! said Lucy.
“好的，媽媽！”露西說。