Sails are still valuable until the ship becomes large enough to install two engines next to each other.
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
L: L
M: M
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
L: L
M: M
举一反三
- The French tend to A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M
- 46.() A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N
- 6. Morocco has A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M
- 10. It is considered rude A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M
- In the Kenyan Wild Safari, A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M