Contrails
(contrail 的復數) n. 凝(結尾)跡
??? 情景例句
OK.
好。
Keep going straight for two blocks, then turn right on Elm street and you'll run right into it.
一直走，過兩個街區，然后往右拐是埃爾姆街，再往前走，迎面就是莫特街。
Yes.
明白了。