water 后用单数还是复数the outlet hole can connect with several pipes to where hot water is needed.这句中,water后用is有没错

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water 后用单数还是复数the outlet hole can connect with several pipes to where hot water is needed.这句中,water后用is有没错

water 后用单数还是复数the outlet hole can connect with several pipes to where hot water is needed.这句中,water后用is有没错
water 后用单数还是复数
the outlet hole can connect with several pipes to where hot water is needed.
这句中,water后用is有没错

water 后用单数还是复数the outlet hole can connect with several pipes to where hot water is needed.这句中,water后用is有没错
water是不可数名词,要用单数.
当water用复数时,表示河流

用单数,water是不可数名词,后面用单数。

water--------水
waters-------河流,水库

视上下文意思而定,

1 水 不可数名词,后面要加单数
2 水域 河流 水库 可数名词,要加复数