Cephamycin
头霉素
🗣️ 情景例句
It's my pleasure.
我很愿意效劳。
Roll my log and I'll roll yours.
互相吹嘘。
The village seemed deserted, the only sign of life being an ugly-looking black goat on a short length of rope tied to a tree in a field nearby.
村里似乎无人居住，唯一的生命迹象是附近田里一只面目可憎的黑山羊，用一截短绳拴在一棵树上。