Geminivirus
[醫]雙粒病毒組（一組植物病毒）
??? 情景例句
Thank you.
謝謝。
The sky is getting very cloudy.
天空的云越來越多了。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
測出回聲間隔的時間，便可算出該處海洋的深度。