Rewrite comments in English

Author: XeniaLu

tests/regression/ba-issues/issues/issue-4646/test.wat

@@ -1,28 +1,28 @@
-;; 定义不同的引用类型
+;; define different reference types
 (type $struct_a (struct (field (mut i32))))
 (type $struct_b (struct (field (mut i64))))
 (type $struct_c (struct (field (mut i32)) (field (mut i32))))
 
 (func $main
-  ;; 准备参数：i32, ref_a, i32, ref_b
+  ;; prepare parameters: i32, ref_a, i32, ref_b
   (i32.const 10)
   (struct.new $struct_a (i32.const 100))
   (i32.const 20)
   (struct.new $struct_b (i64.const 200))
 
-  ;; 带交错参数的block：i32, ref_a, i32, ref_b -> ref_c
+  ;; block with interleaved parameters: i32, ref_a, i32, ref_b -> ref_c
   (block (param i32 (ref $struct_a) i32 (ref $struct_b)) (result (ref $struct_c))
-    ;; 清理栈中的参数
-    drop  ;; 丢弃 ref_b
-    drop  ;; 丢弃 i32
-    drop  ;; 丢弃 ref_a
-    drop  ;; 丢弃 i32
-    ;; 返回新的第三种类型引用
+    ;; clean up parameters from stack
+    drop  ;; drop ref_b
+    drop  ;; drop i32
+    drop  ;; drop ref_a
+    drop  ;; drop i32
 
+    ;; return new type reference struct_c
     (struct.new $struct_c (i32.const 300) (i32.const 400))
   )
 
-  ;; 丢弃返回值
+  ;; drop return value
   drop
 )