Prezymogen
[医] 前酶原
🗣️ 情景例句
and I have a production meeting at four.
我四点钟有个生产会议。
Strike while the iron is hot.
见机行事。称热打铁。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。