Penthrane
甲氧氟烷
🗣️ 情景例句
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
What cannot be cured must be endured.
事已无法可救，只得耐心忍受。
Do they go to school in China?
他们在中国上学？