Phthienoate
结核菌烯酸盐
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
We would like to point out that delivery before Christmas is essential and hope you can offer us that guarantee.
我们想指出圣诞节前交货很重要并希望贵方能就此向我们作出保证。
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。