Tetrachlorinated
四氯化的
🗣️ 情景例句
so she had to take an earlier flight today.
所以她不得不在今天搭早一班的班机。
How long will you remain in the United States?
你将会在美国逗留多久？
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，