Dithiourethane
[化] 二硫代氨基甲酸乙酯
🗣️ 情景例句
I hope it isn't important.
希望不是什么重要事。
I'm cutting grass outside.
我在外面剪草。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。