Klinit
木糖醇
🗣️ 情景例句
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
Is that lady a student?
那位女士是学生吗？
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。