Pelargonaldehyde
壬醛
🗣️ 情景例句
except Hamlin's.
Hamlin的店除外。
All things are difficult before they are easy.
凡事都是先难后易。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。