21. back 9 r) u% F5 N! q' S7 |2 U) p/ Q He slipped and fell on his back. 他仰天滑到。% k) m3 M! p4 l
22. balance; `- n( E* R. X( D; t
Don‘t get excited; keep your balance. 不要冲动,保持冷静。 ! d3 S9 c6 p2 S2 J% B1 \0 e* g3 R1 B 23. base ; Q0 Q6 w ~2 k. g1 @! P. h2 N t A naval base is located at Wei Hai. 威海有个海军基地。 6 ]; t' p# B/ u/ x& e 24. behavior1 W( |5 J$ N, x; {- U
Tom won a prize for good behavior at school. 汤姆在学校里得到品行优良奖。 . y; ~( Y% B* Z0 H7 p+ y 25. belief/ n5 ?2 O" L6 _! b
He has lost his belief in God. 他已不相信上帝。 $ P" x9 y# w' e 26. birth/ w2 x* r) t6 k6 _! u
That baby weighed seven pounds at birth. 那婴儿生下来七磅重。 1 z/ ?, B$ e2 T/ y2 k 27. bit3 m" V8 g% w3 j/ F( ~1 Z; I
He ate every bit of his dinner. 他把他的晚餐吃得光光。 % m! v( Y' _+ J. k She‘s feeling a bit tired. 她觉得有点疲倦。& A1 ^; o+ a9 a: ? P5 Z
He doesn‘t care a bit. 他一点也不在乎。 * u. ^3 e5 K! `7 o: V8 d 28. bite 7 G( A6 K5 I/ ?! ?$ { His face was covered with insect bites. 他满脸都是蚊虫咬伤。 ) W" p% c& h8 L& M; ]# I/ p I haven‘t had a bite since morning. 我从早晨到现在一口东西都未吃过。 ) ?1 Z J! A/ \/ H" n7 R There‘s a bite in the air this morning. 今天早晨有点寒风刺骨。9 o- W/ b! A! g
29. blood 0 C' S. f- S1 l5 k# } He gave his blood to help his sister. 他输血给他的妹妹以救她。 ( w0 U# t; q% Z, x His blood is up. 他发脾气了。' Q" s2 p+ X f
His blood ran cold. 他吓得魂不附体。# h7 J9 F; @. r2 v
30. blow 7 g# ~7 N2 r( r$ {* s4 V% X- x! k' g* Y2 q
Let‘s go for a blow. 让我们到户外吹吹风。