Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
That was fast.
而且又快。
Where will you be nest year at this time?
明年这个时候你将在哪里？
By 1840 about 2,000 Europeans, mainly British, had come to settle in New Zealand and the Maori signed an agreement with these settlers.
截止1840年已有约2，000名欧洲人，其中大部分是英国人，到新西兰定居，毛利人与这些移居者签订了一个协议。