Hexylene
己烯
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
All bread is not baked in one oven.
人心不同，犹如其面。
Could you tell me what the maximum weight allowance is?
您能告诉我行李的最大重量限额是多少吗？