🧩 词语组成解析
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
redwood
[['redwud]]
n. (美国)红杉, 红树
🗣️ 情景例句
You're in great condition.
你状态挺好的。
I'll back you up.
我支持你!
In all the less controversial fields, like the study of cacti or termites or the nature of nebulae,
在一切争议较小的领域里,如对仙人掌、白蚁或星云性质的研究,