Morphospecies
[生]形态种
🗣️ 情景例句
You ready for the next problem?
你准备好做下一道题了吗？
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。