Wish that summer could always be here

Across

German submarines (1-5)
The words of a song (6)
Placed in a confining or embarrassing position (7)
10 Set of numbers identifying a postal district (3,4)
12 Perennial flowering plant (6)
15 Doughnut-shaped rolls with hard crust (6)
16 A recently enlisted soldier (7)
17 Boot out (4)
18 Filled or abounding with fog or mist (4)
19 Hold; have within (7)
20 A small restaurant where drinks and snacks are sold (4)
22 Fermented alcoholic beverage (4)
24 Relating to motion (7)
26 Very small; infinitesimal (6)
27 Of surpassing excellence (6)
31 The longest river of Asia (7)
32 Draw objects nearer, like a magnet (7)
33 Hotdog (6)
34 The warmest season of the year (6)

Down

Strip of sand where land meets the lake (7)
International student working as domestic helper (6)
Pop (4)
Disinclined to work or exertion (4)
To say or state again (6)
Acute intestinal disease (7)
Recording production room (6)
11 Short nonfiction prose piece (5)
13 Type of exercise that increases heart rates (7)
14 Salted snack biscuit (7)
15 Abbreviated two-piece bathing suits (7)
20 (informal) foolish; totally unsound (5)
21 Walk emphatically (7)
23 A refund of some fraction of the amount paid (6)
24 Young domestic cat (6)
25 Accepted practice (6)
28 Fill with high spirits; fill with optimism (5)
29 The present location; this place (4)
30 The time during which someone's life continues (4)