Methoxylation
[化] 甲氧基化; 甲氧基化作用
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
How much is it by air mail?
航空信要多少钱？
Oh, dear! said Miss Yang. Are you sure you've lost it?
“哎呀！”杨小姐说，“你肯定你弄丢了？”