扩散，排成一排

1. to extend, to stretch out, to stand in a row

intransitive verb Godan verb with 'ru' ending

参加

2. to attend, to participate in

intransitive verb Godan verb with 'ru' ending

加入

3. to enrol, to enroll, to join

Godan verb with 'ru' ending intransitive verb

有联系，相关，相连

4. to have a connection, to be related, to be linked

intransitive verb Godan verb with 'ru' ending

散った桜の花びらが水面に連なって流れる「花筏」が目黒川の水面を彩っていましたが、桜もいよいよ見おさめです。