Nếu bạn chỉ mới gieo hạt giống cỏ xuống đất thì để đảm bảo hạt giống không bị trôi đi khi tưới nước thì bạn nên sử dụng a rose on the end of the watering can's spout.
If you just sow the seed to the ground stroke to ensure no seeds were drifting away when watering then you should use a rose on the end of the watering can's spout.
If you just planted grass seed down on the ground to ensure that the seed does not get washed away when watering then you should use a rose on the end of the watering can's spout.