Geoid
n. [地]大地水準(zhǔn)面
??? 情景例句
It was a gradual process, involving many factors.
這是個(gè)漸進(jìn)的過(guò)程，涉及到方方面面。
How long have you been studying English?
你學(xué)了多長(zhǎng)時(shí)間的英語(yǔ)了？
You can see my father, my mother,and my brother, Jim.
你可以看到我的爸爸，我媽媽?zhuān)臀业母绺鏙im。