Thioether
n. [化]硫醚
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
None so deaf as those that won't hear.
置若罔闻。
but Captain Fawcett did not take him because the trip was too dangerous.
弗西特机长之所以不送他去，是因为那段飞行太危险了。