Occultation
n. 掩蔽, 遮掩, 掩星
??? 情景例句
Thanks.
謝謝。
The chemist discovered a new synthetic material.
化學(xué)家發(fā)現(xiàn)了新的復(fù)合物質(zhì)。
Then he remembered his comrade downstairs.
然后他想起樓下的同志。