by hand片语KK [baɪ hænd] /baɪ hænd/发音片语1手工、用手These sweaters are knitted by hand, so each one is slightly different.这些毛衣是手工编织的,所以每一件都略有不同。2亲手、专人递送The invitation was delivered by hand rather than sent by mail.这份邀请函是由专人亲手送达,而非邮寄。用这个字练口说→