Phytoserology
植物血清学
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
Without all the facts, Helen could only conjecture a solution.
由于事实还没有全部完备，海伦只能臆测解决的方法。
We're having trouble meeting your shipping schedule.
要如期出货，我们有问题。