Forsterite
镁橄榄石
🗣️ 情景例句
I've still got a ton of paperwork left to do.
我有成吨的工作要做。
Peter must assume he is correct.
皮特必然认为他是对的。
This race, which went on for exactly four exactly four months, was the last of its kind.
这场比赛持续了整整4个月，是这类比赛中的最后一次，