Phytonucleic acid
[醫(yī)] 植物核酸
?? 詞語組成解析
??? 情景例句
The only thing holding us back is our financial situation.
只是財政狀況未許可，所以才拖延到現(xiàn)在。
If he had only had enough money,he would have bought that house.
如果他僅僅有了足夠的錢，他就會買那房子。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年還要派狗到雪山地里去幫助那些遇到困難的旅游者，