Chemists have also achieved some success with the tougher task of making short-chain stain repellents.
Chemists have also achieved some success with the tougher task of making short-chain stain repellents.
另一方面，化学家仍继续挑战「短链抗污剂」这个艰苦的任务，目前也有一些进展了。
Chemists have also achieved some success with the tougher task of making short-chain stain repellents.
另一方面，化学家仍继续挑战「短链抗污剂」这个艰苦的任务，目前也有一些进展了。