Nodulizer
[化] 球化劑
??? 情景例句
because we have a little surprise for you today.
因?yàn)榻裉煳覀円o各位一項(xiàng)驚喜。
Health is not valued till sickness comes.
有病方知無病樂。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望遠(yuǎn)鏡于1990年4月20日由國家航空航天局發(fā)射升空，耗資10多億美元。