Alkymer
[机] 烷化油
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
Please quote us your price on FOB basis, indicating the postage for dispatch by parcel post to Dalian via Tianjin.
请报FOB价，注明邮寄包裹途经青岛至大连的邮资。
Is it cold or warm in autumn?
秋季的天气是冷还是暖呢？