YOU SAID:
How effective is spermicide?
INTO JAPANESE
殺精子剤がどのくらい効果的ですか。
BACK INTO ENGLISH
Spermicide how effective?
INTO JAPANESE
殺精子剤はどのくらい効果的ですか。
BACK INTO ENGLISH
Spermicide is how effective?
INTO JAPANESE
殺精子剤はどのくらい効果的ですか?
BACK INTO ENGLISH
Spermicide is how effective?
That didn't even make that much sense in English.